mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 12:28:41 +08:00
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: [MTD] [NOR] Fix deadlock in Intel chip driver caused by get_chip recursion [JFFS2] Fix return value from jffs2_write_end() [MTD] [OneNAND] Fix wrong free the static address in onenand_sim [MTD] [NAND] Replace -1 with -EBADMSG in nand error correction code [RSLIB] BUG() when passing illegal parameters to decode_rs8() or decode_rs16() [MTD] [NAND] treat any negative return value from correct() as an error [MTD] [NAND] nandsim: bugfix in initialization [MTD] Fix typo in Alauda config option help text. [MTD] [NAND] add s3c2440-specific read_buf/write_buf [MTD] [OneNAND] onenand-sim: fix kernel-doc and typos [JFFS2] Tidy up fix for ACL/permissions problem.
This commit is contained in:
Linus Torvalds
commit
6e506079c8
@ -85,6 +85,7 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len,
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static void cfi_intelext_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from,
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size_t len);
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static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
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static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
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static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr);
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#include "fwh_lock.h"
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@ -641,73 +642,13 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
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/*
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* *********** CHIP ACCESS FUNCTIONS ***********
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*/
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static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
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static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
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{
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DECLARE_WAITQUEUE(wait, current);
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struct cfi_private *cfi = map->fldrv_priv;
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map_word status, status_OK = CMD(0x80), status_PWS = CMD(0x01);
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unsigned long timeo;
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struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
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resettime:
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timeo = jiffies + HZ;
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retry:
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if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING || mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
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/*
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* OK. We have possibility for contension on the write/erase
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* operations which are global to the real chip and not per
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* partition. So let's fight it over in the partition which
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* currently has authority on the operation.
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*
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* The rules are as follows:
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*
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* - any write operation must own shared->writing.
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*
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* - any erase operation must own _both_ shared->writing and
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* shared->erasing.
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*
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* - contension arbitration is handled in the owner's context.
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*
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* The 'shared' struct can be read and/or written only when
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* its lock is taken.
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*/
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struct flchip_shared *shared = chip->priv;
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struct flchip *contender;
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spin_lock(&shared->lock);
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contender = shared->writing;
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if (contender && contender != chip) {
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/*
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* The engine to perform desired operation on this
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* partition is already in use by someone else.
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* Let's fight over it in the context of the chip
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* currently using it. If it is possible to suspend,
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* that other partition will do just that, otherwise
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* it'll happily send us to sleep. In any case, when
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* get_chip returns success we're clear to go ahead.
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*/
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int ret = spin_trylock(contender->mutex);
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spin_unlock(&shared->lock);
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if (!ret)
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goto retry;
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spin_unlock(chip->mutex);
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ret = get_chip(map, contender, contender->start, mode);
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spin_lock(chip->mutex);
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if (ret) {
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spin_unlock(contender->mutex);
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return ret;
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}
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timeo = jiffies + HZ;
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spin_lock(&shared->lock);
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spin_unlock(contender->mutex);
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}
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/* We now own it */
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shared->writing = chip;
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if (mode == FL_ERASING)
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shared->erasing = chip;
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spin_unlock(&shared->lock);
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}
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unsigned long timeo = jiffies + HZ;
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switch (chip->state) {
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@ -722,16 +663,11 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
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if (chip->priv && map_word_andequal(map, status, status_PWS, status_PWS))
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break;
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if (time_after(jiffies, timeo)) {
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printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n",
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map->name, status.x[0]);
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return -EIO;
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}
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spin_unlock(chip->mutex);
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cfi_udelay(1);
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spin_lock(chip->mutex);
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/* Someone else might have been playing with it. */
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goto retry;
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return -EAGAIN;
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}
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case FL_READY:
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@ -809,10 +745,82 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
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schedule();
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remove_wait_queue(&chip->wq, &wait);
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spin_lock(chip->mutex);
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goto resettime;
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return -EAGAIN;
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}
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}
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static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode)
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{
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int ret;
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retry:
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if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING
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|| mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
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/*
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* OK. We have possibility for contention on the write/erase
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* operations which are global to the real chip and not per
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* partition. So let's fight it over in the partition which
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* currently has authority on the operation.
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*
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* The rules are as follows:
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*
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* - any write operation must own shared->writing.
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*
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* - any erase operation must own _both_ shared->writing and
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* shared->erasing.
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*
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* - contention arbitration is handled in the owner's context.
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*
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* The 'shared' struct can be read and/or written only when
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* its lock is taken.
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*/
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struct flchip_shared *shared = chip->priv;
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struct flchip *contender;
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spin_lock(&shared->lock);
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contender = shared->writing;
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if (contender && contender != chip) {
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/*
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* The engine to perform desired operation on this
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* partition is already in use by someone else.
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* Let's fight over it in the context of the chip
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* currently using it. If it is possible to suspend,
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* that other partition will do just that, otherwise
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* it'll happily send us to sleep. In any case, when
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* get_chip returns success we're clear to go ahead.
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*/
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ret = spin_trylock(contender->mutex);
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spin_unlock(&shared->lock);
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if (!ret)
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goto retry;
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spin_unlock(chip->mutex);
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ret = chip_ready(map, contender, contender->start, mode);
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spin_lock(chip->mutex);
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if (ret == -EAGAIN) {
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spin_unlock(contender->mutex);
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goto retry;
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}
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if (ret) {
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spin_unlock(contender->mutex);
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return ret;
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}
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spin_lock(&shared->lock);
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spin_unlock(contender->mutex);
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}
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/* We now own it */
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shared->writing = chip;
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if (mode == FL_ERASING)
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shared->erasing = chip;
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spin_unlock(&shared->lock);
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}
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ret = chip_ready(map, chip, adr, mode);
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if (ret == -EAGAIN)
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goto retry;
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return ret;
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}
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static void put_chip(struct map_info *map, struct flchip *chip, unsigned long adr)
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{
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struct cfi_private *cfi = map->fldrv_priv;
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@ -300,7 +300,7 @@ config MTD_NAND_PLATFORM
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via platform_data.
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config MTD_ALAUDA
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tristate "MTD driver for Olympus MAUSB-10 and Fijufilm DPC-R1"
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tristate "MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1"
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depends on MTD_NAND && USB
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help
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These two (and possibly other) Alauda-based cardreaders for
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@ -220,7 +220,7 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
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}
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}
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/* If the parity is wrong, no rescue possible */
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return parity ? -1 : nerr;
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return parity ? -EBADMSG : nerr;
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}
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static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
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@ -1034,7 +1034,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
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WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
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else
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WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
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if (no_ecc_failures && (ret == -1)) {
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if (no_ecc_failures && (ret == -EBADMSG)) {
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printk(KERN_ERR "suppressing ECC failure\n");
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ret = 0;
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}
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@ -789,7 +789,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
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int stat;
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stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
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if (stat == -1)
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if (stat < 0)
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mtd->ecc_stats.failed++;
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else
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mtd->ecc_stats.corrected += stat;
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@ -833,7 +833,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
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int stat;
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stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
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if (stat == -1)
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if (stat < 0)
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mtd->ecc_stats.failed++;
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else
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mtd->ecc_stats.corrected += stat;
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@ -874,7 +874,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
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chip->read_buf(mtd, oob, eccbytes);
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stat = chip->ecc.correct(mtd, p, oob, NULL);
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if (stat == -1)
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if (stat < 0)
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mtd->ecc_stats.failed++;
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else
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mtd->ecc_stats.corrected += stat;
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@ -189,7 +189,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat,
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if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
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return 1;
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return -1;
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return -EBADMSG;
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}
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EXPORT_SYMBOL(nand_correct_data);
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@ -511,7 +511,7 @@ static int init_nandsim(struct mtd_info *mtd)
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}
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if (ns->options & OPT_SMALLPAGE) {
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if (ns->geom.totsz < (64 << 20)) {
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if (ns->geom.totsz < (32 << 20)) {
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ns->geom.pgaddrbytes = 3;
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ns->geom.secaddrbytes = 2;
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} else {
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@ -488,12 +488,24 @@ static void s3c2410_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
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readsb(this->IO_ADDR_R, buf, len);
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}
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static void s3c2440_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
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{
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struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
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readsl(info->regs + S3C2440_NFDATA, buf, len / 4);
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}
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static void s3c2410_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
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{
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struct nand_chip *this = mtd->priv;
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writesb(this->IO_ADDR_W, buf, len);
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}
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static void s3c2440_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
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{
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struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
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writesl(info->regs + S3C2440_NFDATA, buf, len / 4);
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}
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/* device management functions */
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static int s3c2410_nand_remove(struct platform_device *pdev)
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@ -604,6 +616,8 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
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info->sel_bit = S3C2440_NFCONT_nFCE;
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chip->cmd_ctrl = s3c2440_nand_hwcontrol;
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chip->dev_ready = s3c2440_nand_devready;
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chip->read_buf = s3c2440_nand_read_buf;
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chip->write_buf = s3c2440_nand_write_buf;
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break;
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case TYPE_S3C2412:
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@ -88,11 +88,11 @@ do { \
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/**
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* onenand_lock_handle - Handle Lock scheme
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* @param this OneNAND device structure
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* @param cmd The command to be sent
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* @this: OneNAND device structure
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* @cmd: The command to be sent
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*
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* Send lock command to OneNAND device.
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* The lock scheme is depends on chip type.
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* The lock scheme depends on chip type.
|
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*/
|
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static void onenand_lock_handle(struct onenand_chip *this, int cmd)
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{
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||||
@ -131,8 +131,8 @@ static void onenand_lock_handle(struct onenand_chip *this, int cmd)
|
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|
||||
/**
|
||||
* onenand_bootram_handle - Handle BootRAM area
|
||||
* @param this OneNAND device structure
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||||
* @param cmd The command to be sent
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||||
* @this: OneNAND device structure
|
||||
* @cmd: The command to be sent
|
||||
*
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||||
* Emulate BootRAM area. It is possible to do basic operation using BootRAM.
|
||||
*/
|
||||
@ -153,10 +153,10 @@ static void onenand_bootram_handle(struct onenand_chip *this, int cmd)
|
||||
|
||||
/**
|
||||
* onenand_update_interrupt - Set interrupt register
|
||||
* @param this OneNAND device structure
|
||||
* @param cmd The command to be sent
|
||||
* @this: OneNAND device structure
|
||||
* @cmd: The command to be sent
|
||||
*
|
||||
* Update interrupt register. The status is depends on command.
|
||||
* Update interrupt register. The status depends on command.
|
||||
*/
|
||||
static void onenand_update_interrupt(struct onenand_chip *this, int cmd)
|
||||
{
|
||||
@ -189,11 +189,12 @@ static void onenand_update_interrupt(struct onenand_chip *this, int cmd)
|
||||
}
|
||||
|
||||
/**
|
||||
* onenand_check_overwrite - Check over-write if happend
|
||||
* @param dest The destination pointer
|
||||
* @param src The source pointer
|
||||
* @param count The length to be check
|
||||
* @return 0 on same, otherwise 1
|
||||
* onenand_check_overwrite - Check if over-write happened
|
||||
* @dest: The destination pointer
|
||||
* @src: The source pointer
|
||||
* @count: The length to be check
|
||||
*
|
||||
* Returns: 0 on same, otherwise 1
|
||||
*
|
||||
* Compare the source with destination
|
||||
*/
|
||||
@ -213,10 +214,10 @@ static int onenand_check_overwrite(void *dest, void *src, size_t count)
|
||||
|
||||
/**
|
||||
* onenand_data_handle - Handle OneNAND Core and DataRAM
|
||||
* @param this OneNAND device structure
|
||||
* @param cmd The command to be sent
|
||||
* @param dataram Which dataram used
|
||||
* @param offset The offset to OneNAND Core
|
||||
* @this: OneNAND device structure
|
||||
* @cmd: The command to be sent
|
||||
* @dataram: Which dataram used
|
||||
* @offset: The offset to OneNAND Core
|
||||
*
|
||||
* Copy data from OneNAND Core to DataRAM (read)
|
||||
* Copy data from DataRAM to OneNAND Core (write)
|
||||
@ -295,8 +296,8 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
|
||||
|
||||
/**
|
||||
* onenand_command_handle - Handle command
|
||||
* @param this OneNAND device structure
|
||||
* @param cmd The command to be sent
|
||||
* @this: OneNAND device structure
|
||||
* @cmd: The command to be sent
|
||||
*
|
||||
* Emulate OneNAND command.
|
||||
*/
|
||||
@ -350,8 +351,8 @@ static void onenand_command_handle(struct onenand_chip *this, int cmd)
|
||||
|
||||
/**
|
||||
* onenand_writew - [OneNAND Interface] Emulate write operation
|
||||
* @param value value to write
|
||||
* @param addr address to write
|
||||
* @value: value to write
|
||||
* @addr: address to write
|
||||
*
|
||||
* Write OneNAND register with value
|
||||
*/
|
||||
@ -373,7 +374,7 @@ static void onenand_writew(unsigned short value, void __iomem * addr)
|
||||
|
||||
/**
|
||||
* flash_init - Initialize OneNAND simulator
|
||||
* @param flash OneNAND simulaotr data strucutres
|
||||
* @flash: OneNAND simulator data strucutres
|
||||
*
|
||||
* Initialize OneNAND simulator.
|
||||
*/
|
||||
@ -416,7 +417,7 @@ static int __init flash_init(struct onenand_flash *flash)
|
||||
|
||||
/**
|
||||
* flash_exit - Clean up OneNAND simulator
|
||||
* @param flash OneNAND simulaotr data strucutres
|
||||
* @flash: OneNAND simulator data structures
|
||||
*
|
||||
* Clean up OneNAND simulator.
|
||||
*/
|
||||
@ -424,7 +425,6 @@ static void flash_exit(struct onenand_flash *flash)
|
||||
{
|
||||
vfree(ONENAND_CORE(flash));
|
||||
kfree(flash->base);
|
||||
kfree(flash);
|
||||
}
|
||||
|
||||
static int __init onenand_sim_init(void)
|
||||
@ -449,7 +449,7 @@ static int __init onenand_sim_init(void)
|
||||
info->onenand.write_word = onenand_writew;
|
||||
|
||||
if (flash_init(&info->flash)) {
|
||||
printk(KERN_ERR "Unable to allocat flash.\n");
|
||||
printk(KERN_ERR "Unable to allocate flash.\n");
|
||||
kfree(ffchars);
|
||||
kfree(info);
|
||||
return -ENOMEM;
|
||||
|
||||
101
fs/jffs2/acl.c
101
fs/jffs2/acl.c
@ -228,11 +228,28 @@ struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
|
||||
return acl;
|
||||
}
|
||||
|
||||
static int __jffs2_set_acl(struct inode *inode, int xprefix, struct posix_acl *acl)
|
||||
{
|
||||
char *value = NULL;
|
||||
size_t size = 0;
|
||||
int rc;
|
||||
|
||||
if (acl) {
|
||||
value = jffs2_acl_to_medium(acl, &size);
|
||||
if (IS_ERR(value))
|
||||
return PTR_ERR(value);
|
||||
}
|
||||
rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
|
||||
if (!value && rc == -ENODATA)
|
||||
rc = 0;
|
||||
kfree(value);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
|
||||
{
|
||||
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
|
||||
size_t size = 0;
|
||||
char *value = NULL;
|
||||
int rc, xprefix;
|
||||
|
||||
if (S_ISLNK(inode->i_mode))
|
||||
@ -267,17 +284,7 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
if (acl) {
|
||||
value = jffs2_acl_to_medium(acl, &size);
|
||||
if (IS_ERR(value))
|
||||
return PTR_ERR(value);
|
||||
}
|
||||
|
||||
rc = do_jffs2_setxattr(inode, xprefix, "", value, size, 0);
|
||||
if (!value && rc == -ENODATA)
|
||||
rc = 0;
|
||||
if (value)
|
||||
kfree(value);
|
||||
rc = __jffs2_set_acl(inode, xprefix, acl);
|
||||
if (!rc) {
|
||||
switch(type) {
|
||||
case ACL_TYPE_ACCESS:
|
||||
@ -312,37 +319,59 @@ int jffs2_permission(struct inode *inode, int mask, struct nameidata *nd)
|
||||
return generic_permission(inode, mask, jffs2_check_acl);
|
||||
}
|
||||
|
||||
int jffs2_init_acl(struct inode *inode, struct posix_acl *acl)
|
||||
int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode)
|
||||
{
|
||||
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
|
||||
struct posix_acl *clone;
|
||||
mode_t mode;
|
||||
int rc = 0;
|
||||
struct posix_acl *acl, *clone;
|
||||
int rc;
|
||||
|
||||
f->i_acl_access = JFFS2_ACL_NOT_CACHED;
|
||||
f->i_acl_default = JFFS2_ACL_NOT_CACHED;
|
||||
f->i_acl_default = NULL;
|
||||
f->i_acl_access = NULL;
|
||||
|
||||
if (S_ISLNK(*i_mode))
|
||||
return 0; /* Symlink always has no-ACL */
|
||||
|
||||
acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT);
|
||||
if (IS_ERR(acl))
|
||||
return PTR_ERR(acl);
|
||||
|
||||
if (!acl) {
|
||||
*i_mode &= ~current->fs->umask;
|
||||
} else {
|
||||
if (S_ISDIR(*i_mode))
|
||||
jffs2_iset_acl(inode, &f->i_acl_default, acl);
|
||||
|
||||
if (acl) {
|
||||
if (S_ISDIR(inode->i_mode)) {
|
||||
rc = jffs2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
|
||||
if (rc)
|
||||
goto cleanup;
|
||||
}
|
||||
clone = posix_acl_clone(acl, GFP_KERNEL);
|
||||
rc = -ENOMEM;
|
||||
if (!clone)
|
||||
goto cleanup;
|
||||
mode = inode->i_mode;
|
||||
rc = posix_acl_create_masq(clone, &mode);
|
||||
if (rc >= 0) {
|
||||
inode->i_mode = mode;
|
||||
if (rc > 0)
|
||||
rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone);
|
||||
}
|
||||
return -ENOMEM;
|
||||
rc = posix_acl_create_masq(clone, (mode_t *)i_mode);
|
||||
if (rc < 0)
|
||||
return rc;
|
||||
if (rc > 0)
|
||||
jffs2_iset_acl(inode, &f->i_acl_access, clone);
|
||||
|
||||
posix_acl_release(clone);
|
||||
}
|
||||
cleanup:
|
||||
posix_acl_release(acl);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int jffs2_init_acl_post(struct inode *inode)
|
||||
{
|
||||
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
|
||||
int rc;
|
||||
|
||||
if (f->i_acl_default) {
|
||||
rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_DEFAULT, f->i_acl_default);
|
||||
if (rc)
|
||||
return rc;
|
||||
}
|
||||
|
||||
if (f->i_acl_access) {
|
||||
rc = __jffs2_set_acl(inode, JFFS2_XPREFIX_ACL_ACCESS, f->i_acl_access);
|
||||
if (rc)
|
||||
return rc;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
@ -31,7 +31,8 @@ struct jffs2_acl_header {
|
||||
extern struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
|
||||
extern int jffs2_permission(struct inode *, int, struct nameidata *);
|
||||
extern int jffs2_acl_chmod(struct inode *);
|
||||
extern int jffs2_init_acl(struct inode *, struct posix_acl *);
|
||||
extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
|
||||
extern int jffs2_init_acl_post(struct inode *);
|
||||
extern void jffs2_clear_acl(struct jffs2_inode_info *);
|
||||
|
||||
extern struct xattr_handler jffs2_acl_access_xattr_handler;
|
||||
@ -39,10 +40,11 @@ extern struct xattr_handler jffs2_acl_default_xattr_handler;
|
||||
|
||||
#else
|
||||
|
||||
#define jffs2_get_acl(inode, type) (NULL)
|
||||
#define jffs2_permission NULL
|
||||
#define jffs2_acl_chmod(inode) (0)
|
||||
#define jffs2_init_acl(inode,dir) (0)
|
||||
#define jffs2_get_acl(inode, type) (NULL)
|
||||
#define jffs2_permission (NULL)
|
||||
#define jffs2_acl_chmod(inode) (0)
|
||||
#define jffs2_init_acl_pre(dir_i,inode,mode) (0)
|
||||
#define jffs2_init_acl_post(inode) (0)
|
||||
#define jffs2_clear_acl(f)
|
||||
|
||||
#endif /* CONFIG_JFFS2_FS_POSIX_ACL */
|
||||
|
||||
@ -182,7 +182,6 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
|
||||
struct jffs2_inode_info *f, *dir_f;
|
||||
struct jffs2_sb_info *c;
|
||||
struct inode *inode;
|
||||
struct posix_acl *acl;
|
||||
int ret;
|
||||
|
||||
ri = jffs2_alloc_raw_inode();
|
||||
@ -193,7 +192,7 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
|
||||
|
||||
D1(printk(KERN_DEBUG "jffs2_create()\n"));
|
||||
|
||||
inode = jffs2_new_inode(dir_i, mode, ri, &acl);
|
||||
inode = jffs2_new_inode(dir_i, mode, ri);
|
||||
|
||||
if (IS_ERR(inode)) {
|
||||
D1(printk(KERN_DEBUG "jffs2_new_inode() failed\n"));
|
||||
@ -211,14 +210,6 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
|
||||
|
||||
ret = jffs2_do_create(c, dir_f, f, ri,
|
||||
dentry->d_name.name, dentry->d_name.len);
|
||||
|
||||
if (ret)
|
||||
goto fail_acl;
|
||||
|
||||
ret = jffs2_init_security(inode, dir_i);
|
||||
if (ret)
|
||||
goto fail_acl;
|
||||
ret = jffs2_init_acl(inode, acl);
|
||||
if (ret)
|
||||
goto fail;
|
||||
|
||||
@ -231,8 +222,6 @@ static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode,
|
||||
inode->i_ino, inode->i_mode, inode->i_nlink, f->inocache->nlink, inode->i_mapping->nrpages));
|
||||
return 0;
|
||||
|
||||
fail_acl:
|
||||
posix_acl_release(acl);
|
||||
fail:
|
||||
make_bad_inode(inode);
|
||||
iput(inode);
|
||||
@ -309,7 +298,6 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
|
||||
struct jffs2_full_dirent *fd;
|
||||
int namelen;
|
||||
uint32_t alloclen;
|
||||
struct posix_acl *acl;
|
||||
int ret, targetlen = strlen(target);
|
||||
|
||||
/* FIXME: If you care. We'd need to use frags for the target
|
||||
@ -336,7 +324,7 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
|
||||
return ret;
|
||||
}
|
||||
|
||||
inode = jffs2_new_inode(dir_i, S_IFLNK | S_IRWXUGO, ri, &acl);
|
||||
inode = jffs2_new_inode(dir_i, S_IFLNK | S_IRWXUGO, ri);
|
||||
|
||||
if (IS_ERR(inode)) {
|
||||
jffs2_free_raw_inode(ri);
|
||||
@ -366,7 +354,6 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
|
||||
up(&f->sem);
|
||||
jffs2_complete_reservation(c);
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return PTR_ERR(fn);
|
||||
}
|
||||
|
||||
@ -377,7 +364,6 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
|
||||
up(&f->sem);
|
||||
jffs2_complete_reservation(c);
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
@ -395,10 +381,9 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
|
||||
ret = jffs2_init_security(inode, dir_i);
|
||||
if (ret) {
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return ret;
|
||||
}
|
||||
ret = jffs2_init_acl(inode, acl);
|
||||
ret = jffs2_init_acl_post(inode);
|
||||
if (ret) {
|
||||
jffs2_clear_inode(inode);
|
||||
return ret;
|
||||
@ -476,7 +461,6 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
|
||||
struct jffs2_full_dirent *fd;
|
||||
int namelen;
|
||||
uint32_t alloclen;
|
||||
struct posix_acl *acl;
|
||||
int ret;
|
||||
|
||||
mode |= S_IFDIR;
|
||||
@ -499,7 +483,7 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
|
||||
return ret;
|
||||
}
|
||||
|
||||
inode = jffs2_new_inode(dir_i, mode, ri, &acl);
|
||||
inode = jffs2_new_inode(dir_i, mode, ri);
|
||||
|
||||
if (IS_ERR(inode)) {
|
||||
jffs2_free_raw_inode(ri);
|
||||
@ -526,7 +510,6 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
|
||||
up(&f->sem);
|
||||
jffs2_complete_reservation(c);
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return PTR_ERR(fn);
|
||||
}
|
||||
/* No data here. Only a metadata node, which will be
|
||||
@ -540,10 +523,9 @@ static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode)
|
||||
ret = jffs2_init_security(inode, dir_i);
|
||||
if (ret) {
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return ret;
|
||||
}
|
||||
ret = jffs2_init_acl(inode, acl);
|
||||
ret = jffs2_init_acl_post(inode);
|
||||
if (ret) {
|
||||
jffs2_clear_inode(inode);
|
||||
return ret;
|
||||
@ -639,7 +621,6 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
|
||||
union jffs2_device_node dev;
|
||||
int devlen = 0;
|
||||
uint32_t alloclen;
|
||||
struct posix_acl *acl;
|
||||
int ret;
|
||||
|
||||
if (!new_valid_dev(rdev))
|
||||
@ -666,7 +647,7 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
|
||||
return ret;
|
||||
}
|
||||
|
||||
inode = jffs2_new_inode(dir_i, mode, ri, &acl);
|
||||
inode = jffs2_new_inode(dir_i, mode, ri);
|
||||
|
||||
if (IS_ERR(inode)) {
|
||||
jffs2_free_raw_inode(ri);
|
||||
@ -695,7 +676,6 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
|
||||
up(&f->sem);
|
||||
jffs2_complete_reservation(c);
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return PTR_ERR(fn);
|
||||
}
|
||||
/* No data here. Only a metadata node, which will be
|
||||
@ -709,10 +689,9 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, de
|
||||
ret = jffs2_init_security(inode, dir_i);
|
||||
if (ret) {
|
||||
jffs2_clear_inode(inode);
|
||||
posix_acl_release(acl);
|
||||
return ret;
|
||||
}
|
||||
ret = jffs2_init_acl(inode, acl);
|
||||
ret = jffs2_init_acl_post(inode);
|
||||
if (ret) {
|
||||
jffs2_clear_inode(inode);
|
||||
return ret;
|
||||
|
||||
@ -255,7 +255,7 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping,
|
||||
_whole_ page. This helps to reduce the number of
|
||||
nodes in files which have many short writes, like
|
||||
syslog files. */
|
||||
start = aligned_start = 0;
|
||||
aligned_start = 0;
|
||||
}
|
||||
|
||||
ri = jffs2_alloc_raw_inode();
|
||||
@ -291,14 +291,11 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping,
|
||||
}
|
||||
|
||||
/* Adjust writtenlen for the padding we did, so we don't confuse our caller */
|
||||
if (writtenlen < (start&3))
|
||||
writtenlen = 0;
|
||||
else
|
||||
writtenlen -= (start&3);
|
||||
writtenlen -= min(writtenlen, (start - aligned_start));
|
||||
|
||||
if (writtenlen) {
|
||||
if (inode->i_size < (pg->index << PAGE_CACHE_SHIFT) + start + writtenlen) {
|
||||
inode->i_size = (pg->index << PAGE_CACHE_SHIFT) + start + writtenlen;
|
||||
if (inode->i_size < pos + writtenlen) {
|
||||
inode->i_size = pos + writtenlen;
|
||||
inode->i_blocks = (inode->i_size + 511) >> 9;
|
||||
|
||||
inode->i_ctime = inode->i_mtime = ITIME(je32_to_cpu(ri->ctime));
|
||||
|
||||
@ -402,8 +402,7 @@ void jffs2_write_super (struct super_block *sb)
|
||||
|
||||
/* jffs2_new_inode: allocate a new inode and inocache, add it to the hash,
|
||||
fill in the raw_inode while you're at it. */
|
||||
struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri,
|
||||
struct posix_acl **acl)
|
||||
struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri)
|
||||
{
|
||||
struct inode *inode;
|
||||
struct super_block *sb = dir_i->i_sb;
|
||||
@ -438,19 +437,11 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i
|
||||
|
||||
/* POSIX ACLs have to be processed now, at least partly.
|
||||
The umask is only applied if there's no default ACL */
|
||||
if (!S_ISLNK(mode)) {
|
||||
*acl = jffs2_get_acl(dir_i, ACL_TYPE_DEFAULT);
|
||||
if (IS_ERR(*acl)) {
|
||||
make_bad_inode(inode);
|
||||
iput(inode);
|
||||
inode = (void *)*acl;
|
||||
*acl = NULL;
|
||||
return inode;
|
||||
}
|
||||
if (!(*acl))
|
||||
mode &= ~current->fs->umask;
|
||||
} else {
|
||||
*acl = NULL;
|
||||
ret = jffs2_init_acl_pre(dir_i, inode, &mode);
|
||||
if (ret) {
|
||||
make_bad_inode(inode);
|
||||
iput(inode);
|
||||
return ERR_PTR(ret);
|
||||
}
|
||||
ret = jffs2_do_new_inode (c, f, mode, ri);
|
||||
if (ret) {
|
||||
|
||||
@ -173,15 +173,13 @@ int jffs2_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
|
||||
extern const struct inode_operations jffs2_symlink_inode_operations;
|
||||
|
||||
/* fs.c */
|
||||
struct posix_acl;
|
||||
|
||||
int jffs2_setattr (struct dentry *, struct iattr *);
|
||||
int jffs2_do_setattr (struct inode *, struct iattr *);
|
||||
void jffs2_read_inode (struct inode *);
|
||||
void jffs2_clear_inode (struct inode *);
|
||||
void jffs2_dirty_inode(struct inode *inode);
|
||||
struct inode *jffs2_new_inode (struct inode *dir_i, int mode,
|
||||
struct jffs2_raw_inode *ri, struct posix_acl **acl);
|
||||
struct jffs2_raw_inode *ri);
|
||||
int jffs2_statfs (struct dentry *, struct kstatfs *);
|
||||
void jffs2_write_super (struct super_block *);
|
||||
int jffs2_remount_fs (struct super_block *, int *, char *);
|
||||
|
||||
@ -465,6 +465,14 @@ int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, str
|
||||
|
||||
up(&f->sem);
|
||||
jffs2_complete_reservation(c);
|
||||
|
||||
ret = jffs2_init_security(&f->vfs_inode, &dir_f->vfs_inode);
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = jffs2_init_acl_post(&f->vfs_inode);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = jffs2_reserve_space(c, sizeof(*rd)+namelen, &alloclen,
|
||||
ALLOC_NORMAL, JFFS2_SUMMARY_DIRENT_SIZE(namelen));
|
||||
|
||||
|
||||
@ -39,8 +39,7 @@
|
||||
|
||||
/* Check length parameter for validity */
|
||||
pad = nn - nroots - len;
|
||||
if (pad < 0 || pad >= nn)
|
||||
return -ERANGE;
|
||||
BUG_ON(pad < 0 || pad >= nn);
|
||||
|
||||
/* Does the caller provide the syndrome ? */
|
||||
if (s != NULL)
|
||||
@ -203,7 +202,7 @@
|
||||
* deg(lambda) unequal to number of roots => uncorrectable
|
||||
* error detected
|
||||
*/
|
||||
count = -1;
|
||||
count = -EBADMSG;
|
||||
goto finish;
|
||||
}
|
||||
/*
|
||||
|
||||
@ -320,6 +320,7 @@ EXPORT_SYMBOL_GPL(encode_rs8);
|
||||
* The syndrome and parity uses a uint16_t data type to enable
|
||||
* symbol size > 8. The calling code must take care of decoding of the
|
||||
* syndrome result and the received parity before calling this code.
|
||||
* Returns the number of corrected bits or -EBADMSG for uncorrectable errors.
|
||||
*/
|
||||
int decode_rs8(struct rs_control *rs, uint8_t *data, uint16_t *par, int len,
|
||||
uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk,
|
||||
@ -363,6 +364,7 @@ EXPORT_SYMBOL_GPL(encode_rs16);
|
||||
* @corr: buffer to store correction bitmask on eras_pos
|
||||
*
|
||||
* Each field in the data array contains up to symbol size bits of valid data.
|
||||
* Returns the number of corrected bits or -EBADMSG for uncorrectable errors.
|
||||
*/
|
||||
int decode_rs16(struct rs_control *rs, uint16_t *data, uint16_t *par, int len,
|
||||
uint16_t *s, int no_eras, int *eras_pos, uint16_t invmsk,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user