mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-18 18:23:53 +08:00
896f8d23d0
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAl4yEegQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpn5ZD/4/WlXs2cUDgg1C65bzZFO4qvevm+VkXmsk GbyrnFstRekvSH01/ZQxlyDVKS8Wux0XIJ6OArCh1047LvL1bEE5dvOW5iIiwa/r grjQuwFAzIPsE2fgcAO17BKIUzq2Z96+hwDzH7dw0i32yBuLvNmY/1SxcCHKfPut uzGyp7t3/2dIHbpWILRndMYe0O9j9ubmOMvKyKTwy723yDEafsUoqu2mlpigzTq4 2i+DbYBIAd8qmLqG/m3e+vOt9xodJ2Q0hlO+v6DcP2SKXU64Hb/N98HadR//aWP9 41DBXqs+dvDBcu3Jxb80PFUTiOQZECJivkns5cNcjuSXmNkOuQhDQR5K372AHmR9 m6e6FSBxwej8HselAZCI6yu9uBKd0i+MM4FnFs/O73QGYx2ayXsEXp/Jad9xiYgW pC5XJTSqJQhPE0AYYEOzHPPcBLBcpvXHkvmGKdjkNb8OLhhgh2S/YG0DNC+8ABXr j1uIe/n3kJEEmOanUyiitGyLmDq+mXd7aCVKJL/J0KiGD8Gkc1avAZ1ZrTQgjujY FqqBFawO8gv3g0L4WMI8JI+HJGMnA488obet6UKm9+l/Z/urEpXzDAKf/W/vnx2B LD0FSA0bCh1tyO6JU+avFwHlwShtV7/rx/OhrmCK7CCYKtZCA2IEctxyr8U+PBIv DtwIMTYTsA== =ZZUI -----END PGP SIGNATURE----- Merge tag 'for-5.6/io_uring-vfs-2020-01-29' of git://git.kernel.dk/linux-block Pull io_uring updates from Jens Axboe: - Support for various new opcodes (fallocate, openat, close, statx, fadvise, madvise, openat2, non-vectored read/write, send/recv, and epoll_ctl) - Faster ring quiesce for fileset updates - Optimizations for overflow condition checking - Support for max-sized clamping - Support for probing what opcodes are supported - Support for io-wq backend sharing between "sibling" rings - Support for registering personalities - Lots of little fixes and improvements * tag 'for-5.6/io_uring-vfs-2020-01-29' of git://git.kernel.dk/linux-block: (64 commits) io_uring: add support for epoll_ctl(2) eventpoll: support non-blocking do_epoll_ctl() calls eventpoll: abstract out epoll_ctl() handler io_uring: fix linked command file table usage io_uring: support using a registered personality for commands io_uring: allow registering credentials io_uring: add io-wq workqueue sharing io-wq: allow grabbing existing io-wq io_uring/io-wq: don't use static creds/mm assignments io-wq: make the io_wq ref counted io_uring: fix refcounting with batched allocations at OOM io_uring: add comment for drain_next io_uring: don't attempt to copy iovec for READ/WRITE io_uring: honor IOSQE_ASYNC for linked reqs io_uring: prep req when do IOSQE_ASYNC io_uring: use labeled array init in io_op_defs io_uring: optimise sqe-to-req flags translation io_uring: remove REQ_F_IO_DRAINED io_uring: file switch work needs to get flushed on exit io_uring: hide uring_fd in ctx ...
193 lines
5.2 KiB
C
193 lines
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/* fs/ internal definitions
|
|
*
|
|
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*/
|
|
|
|
struct super_block;
|
|
struct file_system_type;
|
|
struct iomap;
|
|
struct iomap_ops;
|
|
struct linux_binprm;
|
|
struct path;
|
|
struct mount;
|
|
struct shrink_control;
|
|
struct fs_context;
|
|
struct user_namespace;
|
|
|
|
/*
|
|
* block_dev.c
|
|
*/
|
|
#ifdef CONFIG_BLOCK
|
|
extern void __init bdev_cache_init(void);
|
|
|
|
extern int __sync_blockdev(struct block_device *bdev, int wait);
|
|
|
|
#else
|
|
static inline void bdev_cache_init(void)
|
|
{
|
|
}
|
|
|
|
static inline int __sync_blockdev(struct block_device *bdev, int wait)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* buffer.c
|
|
*/
|
|
extern void guard_bio_eod(struct bio *bio);
|
|
extern int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
|
|
get_block_t *get_block, struct iomap *iomap);
|
|
|
|
/*
|
|
* char_dev.c
|
|
*/
|
|
extern void __init chrdev_init(void);
|
|
|
|
/*
|
|
* fs_context.c
|
|
*/
|
|
extern const struct fs_context_operations legacy_fs_context_ops;
|
|
extern int parse_monolithic_mount_data(struct fs_context *, void *);
|
|
extern void fc_drop_locked(struct fs_context *);
|
|
extern void vfs_clean_context(struct fs_context *fc);
|
|
extern int finish_clean_context(struct fs_context *fc);
|
|
|
|
/*
|
|
* namei.c
|
|
*/
|
|
extern int filename_lookup(int dfd, struct filename *name, unsigned flags,
|
|
struct path *path, struct path *root);
|
|
extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);
|
|
extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
|
|
const char *, unsigned int, struct path *);
|
|
long do_mknodat(int dfd, const char __user *filename, umode_t mode,
|
|
unsigned int dev);
|
|
long do_mkdirat(int dfd, const char __user *pathname, umode_t mode);
|
|
long do_rmdir(int dfd, const char __user *pathname);
|
|
long do_unlinkat(int dfd, struct filename *name);
|
|
long do_symlinkat(const char __user *oldname, int newdfd,
|
|
const char __user *newname);
|
|
int do_linkat(int olddfd, const char __user *oldname, int newdfd,
|
|
const char __user *newname, int flags);
|
|
|
|
/*
|
|
* namespace.c
|
|
*/
|
|
extern void *copy_mount_options(const void __user *);
|
|
extern char *copy_mount_string(const void __user *);
|
|
|
|
extern struct vfsmount *lookup_mnt(const struct path *);
|
|
extern int finish_automount(struct vfsmount *, struct path *);
|
|
|
|
extern int sb_prepare_remount_readonly(struct super_block *);
|
|
|
|
extern void __init mnt_init(void);
|
|
|
|
extern int __mnt_want_write_file(struct file *);
|
|
extern void __mnt_drop_write_file(struct file *);
|
|
|
|
extern void dissolve_on_fput(struct vfsmount *);
|
|
/*
|
|
* fs_struct.c
|
|
*/
|
|
extern void chroot_fs_refs(const struct path *, const struct path *);
|
|
|
|
/*
|
|
* file_table.c
|
|
*/
|
|
extern struct file *alloc_empty_file(int, const struct cred *);
|
|
extern struct file *alloc_empty_file_noaccount(int, const struct cred *);
|
|
|
|
/*
|
|
* super.c
|
|
*/
|
|
extern int reconfigure_super(struct fs_context *);
|
|
extern bool trylock_super(struct super_block *sb);
|
|
extern struct super_block *user_get_super(dev_t);
|
|
extern bool mount_capable(struct fs_context *);
|
|
|
|
/*
|
|
* open.c
|
|
*/
|
|
struct open_flags {
|
|
int open_flag;
|
|
umode_t mode;
|
|
int acc_mode;
|
|
int intent;
|
|
int lookup_flags;
|
|
};
|
|
extern struct file *do_filp_open(int dfd, struct filename *pathname,
|
|
const struct open_flags *op);
|
|
extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
|
|
const char *, const struct open_flags *);
|
|
extern struct open_how build_open_how(int flags, umode_t mode);
|
|
extern int build_open_flags(const struct open_how *how, struct open_flags *op);
|
|
|
|
long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
|
|
long do_faccessat(int dfd, const char __user *filename, int mode);
|
|
int do_fchmodat(int dfd, const char __user *filename, umode_t mode);
|
|
int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
|
|
int flag);
|
|
|
|
extern int vfs_open(const struct path *, struct file *);
|
|
|
|
/*
|
|
* inode.c
|
|
*/
|
|
extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc);
|
|
extern void inode_add_lru(struct inode *inode);
|
|
extern int dentry_needs_remove_privs(struct dentry *dentry);
|
|
|
|
/*
|
|
* fs-writeback.c
|
|
*/
|
|
extern void inode_io_list_del(struct inode *inode);
|
|
|
|
extern long get_nr_dirty_inodes(void);
|
|
extern int invalidate_inodes(struct super_block *, bool);
|
|
|
|
/*
|
|
* dcache.c
|
|
*/
|
|
extern int d_set_mounted(struct dentry *dentry);
|
|
extern long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc);
|
|
extern struct dentry *d_alloc_cursor(struct dentry *);
|
|
extern struct dentry * d_alloc_pseudo(struct super_block *, const struct qstr *);
|
|
extern char *simple_dname(struct dentry *, char *, int);
|
|
extern void dput_to_list(struct dentry *, struct list_head *);
|
|
extern void shrink_dentry_list(struct list_head *);
|
|
|
|
/*
|
|
* read_write.c
|
|
*/
|
|
extern int rw_verify_area(int, struct file *, const loff_t *, size_t);
|
|
|
|
/*
|
|
* pipe.c
|
|
*/
|
|
extern const struct file_operations pipefifo_fops;
|
|
|
|
/*
|
|
* fs_pin.c
|
|
*/
|
|
extern void group_pin_kill(struct hlist_head *p);
|
|
extern void mnt_pin_kill(struct mount *m);
|
|
|
|
/*
|
|
* fs/nsfs.c
|
|
*/
|
|
extern const struct dentry_operations ns_dentry_operations;
|
|
|
|
/* direct-io.c: */
|
|
int sb_init_dio_done_wq(struct super_block *sb);
|
|
|
|
/*
|
|
* fs/stat.c:
|
|
*/
|
|
unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags, int flags);
|
|
int cp_statx(const struct kstat *stat, struct statx __user *buffer);
|