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[XFS] kill struct xfs_mount_args

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No need to parse the mount option into a structure before applying it to
struct xfs_mount.

The content of xfs_start_flags gets merged into xfs_parseargs. Calls
inbetween don't care and can use mount members instead of the args struct.

This patch uncovered that the mount option for shared filesystems wasn't
ever exposed on Linux. The code to handle it is #if 0'ed in this patch
pending a decision on this feature. I'll send a writeup about it to the
list soon.

SGI-PV: 987246

SGI-Modid: xfs-linux-melb:xfs-kern:32371a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-10-30 17:53:24 +11:00 committed by Lachlan McIlroy
parent 5a792c4579
commit 9d565ffa33
8 changed files with 198 additions and 429 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

505
fs/xfs/linux-2.6/xfs_super.c
View File

@ -18,7 +18,6 @@
#include "xfs.h"
#include "xfs_bit.h"
#include "xfs_log.h"
#include "xfs_clnt.h"
#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
@ -75,32 +74,6 @@ static struct super_operations xfs_super_operations;
static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
STATIC struct xfs_mount_args *
xfs_args_allocate(
struct super_block *sb,
int silent)
{
struct xfs_mount_args *args;
args = kzalloc(sizeof(struct xfs_mount_args), GFP_KERNEL);
if (!args)
return NULL;
args->logbufs = args->logbufsize = -1;
strncpy(args->fsname, sb->s_id, MAXNAMELEN);
/* Copy the already-parsed mount(2) flags we're interested in */
if (sb->s_flags & MS_DIRSYNC)
args->flags |= XFSMNT_DIRSYNC;
if (sb->s_flags & MS_SYNCHRONOUS)
args->flags |= XFSMNT_WSYNC;
if (silent)
args->flags |= XFSMNT_QUIET;
args->flags |= XFSMNT_32BITINODES;
return args;
}
#define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */
#define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */
#define MNTOPT_LOGDEV "logdev" /* log device */
@ -189,26 +162,54 @@ suffix_strtoul(char *s, char **endp, unsigned int base)
return simple_strtoul((const char *)s, endp, base) << shift_left_factor;
}
/*
* This function fills in xfs_mount_t fields based on mount args.
* Note: the superblock has _not_ yet been read in.
*
* Note that this function leaks the various device name allocations on
* failure. The caller takes care of them.
*/
STATIC int
xfs_parseargs(
struct xfs_mount *mp,
char *options,
struct xfs_mount_args *args,
int update)
char **mtpt)
{
struct super_block *sb = mp->m_super;
char *this_char, *value, *eov;
int dsunit, dswidth, vol_dsunit, vol_dswidth;
int iosize;
int dsunit = 0;
int dswidth = 0;
int iosize = 0;
int dmapi_implies_ikeep = 1;
uchar_t iosizelog = 0;
args->flags |= XFSMNT_BARRIER;
args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
/*
* Copy binary VFS mount flags we are interested in.
*/
if (sb->s_flags & MS_RDONLY)
mp->m_flags |= XFS_MOUNT_RDONLY;
if (sb->s_flags & MS_DIRSYNC)
mp->m_flags |= XFS_MOUNT_DIRSYNC;
if (sb->s_flags & MS_SYNCHRONOUS)
mp->m_flags |= XFS_MOUNT_WSYNC;
/*
* Set some default flags that could be cleared by the mount option
* parsing.
*/
mp->m_flags |= XFS_MOUNT_BARRIER;
mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
/*
* These can be overridden by the mount option parsing.
*/
mp->m_logbufs = -1;
mp->m_logbsize = -1;
if (!options)
goto done;
iosize = dsunit = dswidth = vol_dsunit = vol_dswidth = 0;
while ((this_char = strsep(&options, ",")) != NULL) {
if (!*this_char)
continue;
@ -222,7 +223,7 @@ xfs_parseargs(
this_char);
return EINVAL;
}
args->logbufs = simple_strtoul(value, &eov, 10);
mp->m_logbufs = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -230,7 +231,7 @@ xfs_parseargs(
this_char);
return EINVAL;
}
args->logbufsize = suffix_strtoul(value, &eov, 10);
mp->m_logbsize = suffix_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -238,7 +239,9 @@ xfs_parseargs(
this_char);
return EINVAL;
}
strncpy(args->logname, value, MAXNAMELEN);
mp->m_logname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
if (!mp->m_logname)
return ENOMEM;
} else if (!strcmp(this_char, MNTOPT_MTPT)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -246,7 +249,9 @@ xfs_parseargs(
this_char);
return EINVAL;
}
strncpy(args->mtpt, value, MAXNAMELEN);
*mtpt = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
if (!*mtpt)
return ENOMEM;
} else if (!strcmp(this_char, MNTOPT_RTDEV)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -254,7 +259,9 @@ xfs_parseargs(
this_char);
return EINVAL;
}
strncpy(args->rtname, value, MAXNAMELEN);
mp->m_rtname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
if (!mp->m_rtname)
return ENOMEM;
} else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -263,8 +270,7 @@ xfs_parseargs(
return EINVAL;
}
iosize = simple_strtoul(value, &eov, 10);
args->flags |= XFSMNT_IOSIZE;
args->iosizelog = (uint8_t) iosize;
iosizelog = (uint8_t) iosize;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -273,8 +279,7 @@ xfs_parseargs(
return EINVAL;
}
iosize = suffix_strtoul(value, &eov, 10);
args->flags |= XFSMNT_IOSIZE;
args->iosizelog = ffs(iosize) - 1;
iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_GRPID) ||
!strcmp(this_char, MNTOPT_BSDGROUPS)) {
mp->m_flags |= XFS_MOUNT_GRPID;
@ -282,23 +287,25 @@ xfs_parseargs(
!strcmp(this_char, MNTOPT_SYSVGROUPS)) {
mp->m_flags &= ~XFS_MOUNT_GRPID;
} else if (!strcmp(this_char, MNTOPT_WSYNC)) {
args->flags |= XFSMNT_WSYNC;
mp->m_flags |= XFS_MOUNT_WSYNC;
} else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) {
args->flags |= XFSMNT_OSYNCISOSYNC;
mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
args->flags |= XFSMNT_NORECOVERY;
mp->m_flags |= XFS_MOUNT_NORECOVERY;
} else if (!strcmp(this_char, MNTOPT_INO64)) {
args->flags |= XFSMNT_INO64;
#if !XFS_BIG_INUMS
#if XFS_BIG_INUMS
mp->m_flags |= XFS_MOUNT_INO64;
mp->m_inoadd = XFS_INO64_OFFSET;
#else
cmn_err(CE_WARN,
"XFS: %s option not allowed on this system",
this_char);
return EINVAL;
#endif
} else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
args->flags |= XFSMNT_NOALIGN;
mp->m_flags |= XFS_MOUNT_NOALIGN;
} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
args->flags |= XFSMNT_SWALLOC;
mp->m_flags |= XFS_MOUNT_SWALLOC;
} else if (!strcmp(this_char, MNTOPT_SUNIT)) {
if (!value || !*value) {
cmn_err(CE_WARN,
@ -316,7 +323,7 @@ xfs_parseargs(
}
dswidth = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
args->flags &= ~XFSMNT_32BITINODES;
mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
#if !XFS_BIG_INUMS
cmn_err(CE_WARN,
"XFS: %s option not allowed on this system",
@ -324,56 +331,60 @@ xfs_parseargs(
return EINVAL;
#endif
} else if (!strcmp(this_char, MNTOPT_NOUUID)) {
args->flags |= XFSMNT_NOUUID;
mp->m_flags |= XFS_MOUNT_NOUUID;
} else if (!strcmp(this_char, MNTOPT_BARRIER)) {
args->flags |= XFSMNT_BARRIER;
mp->m_flags |= XFS_MOUNT_BARRIER;
} else if (!strcmp(this_char, MNTOPT_NOBARRIER)) {
args->flags &= ~XFSMNT_BARRIER;
mp->m_flags &= ~XFS_MOUNT_BARRIER;
} else if (!strcmp(this_char, MNTOPT_IKEEP)) {
args->flags |= XFSMNT_IKEEP;
mp->m_flags |= XFS_MOUNT_IKEEP;
} else if (!strcmp(this_char, MNTOPT_NOIKEEP)) {
dmapi_implies_ikeep = 0;
args->flags &= ~XFSMNT_IKEEP;
mp->m_flags &= ~XFS_MOUNT_IKEEP;
} else if (!strcmp(this_char, MNTOPT_LARGEIO)) {
args->flags2 &= ~XFSMNT2_COMPAT_IOSIZE;
mp->m_flags &= ~XFS_MOUNT_COMPAT_IOSIZE;
} else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
} else if (!strcmp(this_char, MNTOPT_ATTR2)) {
args->flags |= XFSMNT_ATTR2;
mp->m_flags |= XFS_MOUNT_ATTR2;
} else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
args->flags &= ~XFSMNT_ATTR2;
args->flags |= XFSMNT_NOATTR2;
mp->m_flags &= ~XFS_MOUNT_ATTR2;
mp->m_flags |= XFS_MOUNT_NOATTR2;
} else if (!strcmp(this_char, MNTOPT_FILESTREAM)) {
args->flags2 |= XFSMNT2_FILESTREAMS;
mp->m_flags |= XFS_MOUNT_FILESTREAMS;
} else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
args->flags &= ~(XFSMNT_UQUOTAENF|XFSMNT_UQUOTA);
args->flags &= ~(XFSMNT_GQUOTAENF|XFSMNT_GQUOTA);
mp->m_qflags &= ~(XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE |
XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE |
XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_QUOTA) ||
!strcmp(this_char, MNTOPT_UQUOTA) ||
!strcmp(this_char, MNTOPT_USRQUOTA)) {
args->flags |= XFSMNT_UQUOTA | XFSMNT_UQUOTAENF;
mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE |
XFS_UQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_QUOTANOENF) ||
!strcmp(this_char, MNTOPT_UQUOTANOENF)) {
args->flags |= XFSMNT_UQUOTA;
args->flags &= ~XFSMNT_UQUOTAENF;
mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE);
mp->m_qflags &= ~XFS_UQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
!strcmp(this_char, MNTOPT_PRJQUOTA)) {
args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF;
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE |
XFS_OQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
args->flags |= XFSMNT_PQUOTA;
args->flags &= ~XFSMNT_PQUOTAENF;
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
mp->m_qflags &= ~XFS_OQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
!strcmp(this_char, MNTOPT_GRPQUOTA)) {
args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF;
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE |
XFS_OQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
args->flags |= XFSMNT_GQUOTA;
args->flags &= ~XFSMNT_GQUOTAENF;
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
mp->m_qflags &= ~XFS_OQUOTA_ENFD;
} else if (!strcmp(this_char, MNTOPT_DMAPI)) {
args->flags |= XFSMNT_DMAPI;
mp->m_flags |= XFS_MOUNT_DMAPI;
} else if (!strcmp(this_char, MNTOPT_XDSM)) {
args->flags |= XFSMNT_DMAPI;
mp->m_flags |= XFS_MOUNT_DMAPI;
} else if (!strcmp(this_char, MNTOPT_DMI)) {
args->flags |= XFSMNT_DMAPI;
mp->m_flags |= XFS_MOUNT_DMAPI;
} else if (!strcmp(this_char, "ihashsize")) {
cmn_err(CE_WARN,
"XFS: ihashsize no longer used, option is deprecated.");
@ -391,27 +402,29 @@ xfs_parseargs(
}
}
if (args->flags & XFSMNT_NORECOVERY) {
if ((mp->m_flags & XFS_MOUNT_RDONLY) == 0) {
cmn_err(CE_WARN,
"XFS: no-recovery mounts must be read-only.");
return EINVAL;
}
/*
* no recovery flag requires a read-only mount
*/
if ((mp->m_flags & XFS_MOUNT_NORECOVERY) &&
!(mp->m_flags & XFS_MOUNT_RDONLY)) {
cmn_err(CE_WARN, "XFS: no-recovery mounts must be read-only.");
return EINVAL;
}
if ((args->flags & XFSMNT_NOALIGN) && (dsunit || dswidth)) {
if ((mp->m_flags & XFS_MOUNT_NOALIGN) && (dsunit || dswidth)) {
cmn_err(CE_WARN,
"XFS: sunit and swidth options incompatible with the noalign option");
return EINVAL;
}
if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) {
if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) &&
(mp->m_qflags & (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE))) {
cmn_err(CE_WARN,
"XFS: cannot mount with both project and group quota");
return EINVAL;
}
if ((args->flags & XFSMNT_DMAPI) && *args->mtpt == '\0') {
if ((mp->m_flags & XFS_MOUNT_DMAPI) && (!*mtpt || *mtpt[0] == '\0')) {
printk("XFS: %s option needs the mount point option as well\n",
MNTOPT_DMAPI);
return EINVAL;
@ -439,27 +452,66 @@ xfs_parseargs(
* Note that if "ikeep" or "noikeep" mount options are
* supplied, then they are honored.
*/
if ((args->flags & XFSMNT_DMAPI) && dmapi_implies_ikeep)
args->flags |= XFSMNT_IKEEP;
if ((args->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
if (dsunit) {
args->sunit = dsunit;
args->flags |= XFSMNT_RETERR;
} else {
args->sunit = vol_dsunit;
}
dswidth ? (args->swidth = dswidth) :
(args->swidth = vol_dswidth);
} else {
args->sunit = args->swidth = 0;
}
if ((mp->m_flags & XFS_MOUNT_DMAPI) && dmapi_implies_ikeep)
mp->m_flags |= XFS_MOUNT_IKEEP;
done:
if (args->flags & XFSMNT_32BITINODES)
mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
if (args->flags2)
args->flags |= XFSMNT_FLAGS2;
if (!(mp->m_flags & XFS_MOUNT_NOALIGN)) {
/*
* At this point the superblock has not been read
* in, therefore we do not know the block size.
* Before the mount call ends we will convert
* these to FSBs.
*/
if (dsunit) {
mp->m_dalign = dsunit;
mp->m_flags |= XFS_MOUNT_RETERR;
}
if (dswidth)
mp->m_swidth = dswidth;
}
if (mp->m_logbufs != -1 &&
mp->m_logbufs != 0 &&
(mp->m_logbufs < XLOG_MIN_ICLOGS ||
mp->m_logbufs > XLOG_MAX_ICLOGS)) {
cmn_err(CE_WARN,
"XFS: invalid logbufs value: %d [not %d-%d]",
mp->m_logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS);
return XFS_ERROR(EINVAL);
}
if (mp->m_logbsize != -1 &&
mp->m_logbsize != 0 &&
(mp->m_logbsize < XLOG_MIN_RECORD_BSIZE ||
mp->m_logbsize > XLOG_MAX_RECORD_BSIZE ||
!is_power_of_2(mp->m_logbsize))) {
cmn_err(CE_WARN,
"XFS: invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]",
mp->m_logbsize);
return XFS_ERROR(EINVAL);
}
mp->m_fsname = kstrndup(sb->s_id, MAXNAMELEN, GFP_KERNEL);
if (!mp->m_fsname)
return ENOMEM;
mp->m_fsname_len = strlen(mp->m_fsname) + 1;
if (iosizelog) {
if (iosizelog > XFS_MAX_IO_LOG ||
iosizelog < XFS_MIN_IO_LOG) {
cmn_err(CE_WARN,
"XFS: invalid log iosize: %d [not %d-%d]",
iosizelog, XFS_MIN_IO_LOG,
XFS_MAX_IO_LOG);
return XFS_ERROR(EINVAL);
}
mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
mp->m_readio_log = iosizelog;
mp->m_writeio_log = iosizelog;
}
return 0;
}
@ -705,8 +757,7 @@ xfs_close_devices(
*/
STATIC int
xfs_open_devices(
struct xfs_mount *mp,
struct xfs_mount_args *args)
struct xfs_mount *mp)
{
struct block_device *ddev = mp->m_super->s_bdev;
struct block_device *logdev = NULL, *rtdev = NULL;
@ -715,14 +766,14 @@ xfs_open_devices(
/*
* Open real time and log devices - order is important.
*/
if (args->logname[0]) {
error = xfs_blkdev_get(mp, args->logname, &logdev);
if (mp->m_logname) {
error = xfs_blkdev_get(mp, mp->m_logname, &logdev);
if (error)
goto out;
}
if (args->rtname[0]) {
error = xfs_blkdev_get(mp, args->rtname, &rtdev);
if (mp->m_rtname) {
error = xfs_blkdev_get(mp, mp->m_rtname, &rtdev);
if (error)
goto out_close_logdev;
@ -1286,177 +1337,30 @@ xfs_fs_setxquota(
Q_XSETPQLIM), id, (caddr_t)fdq);
}
/*
* This function fills in xfs_mount_t fields based on mount args.
* Note: the superblock has _not_ yet been read in.
*/
STATIC int
xfs_start_flags(
struct xfs_mount_args *ap,
struct xfs_mount *mp)
{
int error;
/* Values are in BBs */
if ((ap->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
/*
* At this point the superblock has not been read
* in, therefore we do not know the block size.
* Before the mount call ends we will convert
* these to FSBs.
*/
mp->m_dalign = ap->sunit;
mp->m_swidth = ap->swidth;
}
if (ap->logbufs != -1 &&
ap->logbufs != 0 &&
(ap->logbufs < XLOG_MIN_ICLOGS ||
ap->logbufs > XLOG_MAX_ICLOGS)) {
cmn_err(CE_WARN,
"XFS: invalid logbufs value: %d [not %d-%d]",
ap->logbufs, XLOG_MIN_ICLOGS, XLOG_MAX_ICLOGS);
return XFS_ERROR(EINVAL);
}
mp->m_logbufs = ap->logbufs;
if (ap->logbufsize != -1 &&
ap->logbufsize != 0 &&
(ap->logbufsize < XLOG_MIN_RECORD_BSIZE ||
ap->logbufsize > XLOG_MAX_RECORD_BSIZE ||
!is_power_of_2(ap->logbufsize))) {
cmn_err(CE_WARN,
"XFS: invalid logbufsize: %d [not 16k,32k,64k,128k or 256k]",
ap->logbufsize);
return XFS_ERROR(EINVAL);
}
error = ENOMEM;
mp->m_logbsize = ap->logbufsize;
mp->m_fsname_len = strlen(ap->fsname) + 1;
mp->m_fsname = kstrdup(ap->fsname, GFP_KERNEL);
if (!mp->m_fsname)
goto out;
if (ap->rtname[0]) {
mp->m_rtname = kstrdup(ap->rtname, GFP_KERNEL);
if (!mp->m_rtname)
goto out_free_fsname;
}
if (ap->logname[0]) {
mp->m_logname = kstrdup(ap->logname, GFP_KERNEL);
if (!mp->m_logname)
goto out_free_rtname;
}
if (ap->flags & XFSMNT_WSYNC)
mp->m_flags |= XFS_MOUNT_WSYNC;
#if XFS_BIG_INUMS
if (ap->flags & XFSMNT_INO64) {
mp->m_flags |= XFS_MOUNT_INO64;
mp->m_inoadd = XFS_INO64_OFFSET;
}
#endif
if (ap->flags & XFSMNT_RETERR)
mp->m_flags |= XFS_MOUNT_RETERR;
if (ap->flags & XFSMNT_NOALIGN)
mp->m_flags |= XFS_MOUNT_NOALIGN;
if (ap->flags & XFSMNT_SWALLOC)
mp->m_flags |= XFS_MOUNT_SWALLOC;
if (ap->flags & XFSMNT_OSYNCISOSYNC)
mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
if (ap->flags & XFSMNT_32BITINODES)
mp->m_flags |= XFS_MOUNT_32BITINODES;
if (ap->flags & XFSMNT_IOSIZE) {
if (ap->iosizelog > XFS_MAX_IO_LOG ||
ap->iosizelog < XFS_MIN_IO_LOG) {
cmn_err(CE_WARN,
"XFS: invalid log iosize: %d [not %d-%d]",
ap->iosizelog, XFS_MIN_IO_LOG,
XFS_MAX_IO_LOG);
return XFS_ERROR(EINVAL);
}
mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
mp->m_readio_log = mp->m_writeio_log = ap->iosizelog;
}
if (ap->flags & XFSMNT_IKEEP)
mp->m_flags |= XFS_MOUNT_IKEEP;
if (ap->flags & XFSMNT_DIRSYNC)
mp->m_flags |= XFS_MOUNT_DIRSYNC;
if (ap->flags & XFSMNT_ATTR2)
mp->m_flags |= XFS_MOUNT_ATTR2;
if (ap->flags & XFSMNT_NOATTR2)
mp->m_flags |= XFS_MOUNT_NOATTR2;
if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE)
mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
/*
* no recovery flag requires a read-only mount
*/
if (ap->flags & XFSMNT_NORECOVERY) {
if (!(mp->m_flags & XFS_MOUNT_RDONLY)) {
cmn_err(CE_WARN,
"XFS: tried to mount a FS read-write without recovery!");
return XFS_ERROR(EINVAL);
}
mp->m_flags |= XFS_MOUNT_NORECOVERY;
}
if (ap->flags & XFSMNT_NOUUID)
mp->m_flags |= XFS_MOUNT_NOUUID;
if (ap->flags & XFSMNT_BARRIER)
mp->m_flags |= XFS_MOUNT_BARRIER;
else
mp->m_flags &= ~XFS_MOUNT_BARRIER;
if (ap->flags2 & XFSMNT2_FILESTREAMS)
mp->m_flags |= XFS_MOUNT_FILESTREAMS;
if (ap->flags & XFSMNT_DMAPI)
mp->m_flags |= XFS_MOUNT_DMAPI;
return 0;
out_free_rtname:
kfree(mp->m_rtname);
out_free_fsname:
kfree(mp->m_fsname);
out:
return error;
}
/*
* This function fills in xfs_mount_t fields based on mount args.
* Note: the superblock _has_ now been read in.
*/
STATIC int
xfs_finish_flags(
struct xfs_mount_args *ap,
struct xfs_mount *mp)
{
int ronly = (mp->m_flags & XFS_MOUNT_RDONLY);
/* Fail a mount where the logbuf is smaller then the log stripe */
if (xfs_sb_version_haslogv2(&mp->m_sb)) {
if ((ap->logbufsize <= 0) &&
(mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE)) {
if (mp->m_logbsize <= 0 &&
mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE) {
mp->m_logbsize = mp->m_sb.sb_logsunit;
} else if (ap->logbufsize > 0 &&
ap->logbufsize < mp->m_sb.sb_logsunit) {
} else if (mp->m_logbsize > 0 &&
mp->m_logbsize < mp->m_sb.sb_logsunit) {
cmn_err(CE_WARN,
"XFS: logbuf size must be greater than or equal to log stripe size");
return XFS_ERROR(EINVAL);
}
} else {
/* Fail a mount if the logbuf is larger than 32K */
if (ap->logbufsize > XLOG_BIG_RECORD_BSIZE) {
if (mp->m_logbsize > XLOG_BIG_RECORD_BSIZE) {
cmn_err(CE_WARN,
"XFS: logbuf size for version 1 logs must be 16K or 32K");
return XFS_ERROR(EINVAL);
@ -1468,7 +1372,7 @@ xfs_finish_flags(
* told by noattr2 to turn it off
*/
if (xfs_sb_version_hasattr2(&mp->m_sb) &&
!(ap->flags & XFSMNT_NOATTR2))
!(mp->m_flags & XFS_MOUNT_NOATTR2))
mp->m_flags |= XFS_MOUNT_ATTR2;
/*
@ -1480,6 +1384,7 @@ xfs_finish_flags(
return XFS_ERROR(EROFS);
}
#if 0 /* shared mounts were never supported on Linux */
/*
* check for shared mount.
*/
@ -1502,25 +1407,11 @@ xfs_finish_flags(
/*
* Shared XFS V0 can't deal with DMI. Return EINVAL.
*/
if (mp->m_sb.sb_shared_vn == 0 && (ap->flags & XFSMNT_DMAPI))
if (mp->m_sb.sb_shared_vn == 0 &&
(mp->m_flags & XFS_MOUNT_DMAPI))
return XFS_ERROR(EINVAL);
}
if (ap->flags & XFSMNT_UQUOTA) {
mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE);
if (ap->flags & XFSMNT_UQUOTAENF)
mp->m_qflags |= XFS_UQUOTA_ENFD;
}
if (ap->flags & XFSMNT_GQUOTA) {
mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
if (ap->flags & XFSMNT_GQUOTAENF)
mp->m_qflags |= XFS_OQUOTA_ENFD;
} else if (ap->flags & XFSMNT_PQUOTA) {
mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
if (ap->flags & XFSMNT_PQUOTAENF)
mp->m_qflags |= XFS_OQUOTA_ENFD;
}
#endif
return 0;
}
@ -1533,16 +1424,12 @@ xfs_fs_fill_super(
{
struct inode *root;
struct xfs_mount *mp = NULL;
struct xfs_mount_args *args;
int flags = 0, error = ENOMEM;
args = xfs_args_allocate(sb, silent);
if (!args)
return -ENOMEM;
char *mtpt = NULL;
mp = kzalloc(sizeof(struct xfs_mount), GFP_KERNEL);
if (!mp)
goto out_free_args;
goto out;
spin_lock_init(&mp->m_sb_lock);
mutex_init(&mp->m_growlock);
@ -1554,12 +1441,9 @@ xfs_fs_fill_super(
mp->m_super = sb;
sb->s_fs_info = mp;
if (sb->s_flags & MS_RDONLY)
mp->m_flags |= XFS_MOUNT_RDONLY;
error = xfs_parseargs(mp, (char *)data, args, 0);
error = xfs_parseargs(mp, (char *)data, &mtpt);
if (error)
goto out_free_mp;
goto out_free_fsname;
sb_min_blocksize(sb, BBSIZE);
sb->s_xattr = xfs_xattr_handlers;
@ -1567,33 +1451,28 @@ xfs_fs_fill_super(
sb->s_qcop = &xfs_quotactl_operations;
sb->s_op = &xfs_super_operations;
error = xfs_dmops_get(mp, args);
error = xfs_dmops_get(mp);
if (error)
goto out_free_mp;
error = xfs_qmops_get(mp, args);
goto out_free_fsname;
error = xfs_qmops_get(mp);
if (error)
goto out_put_dmops;
if (args->flags & XFSMNT_QUIET)
if (silent)
flags |= XFS_MFSI_QUIET;
error = xfs_open_devices(mp, args);
error = xfs_open_devices(mp);
if (error)
goto out_put_qmops;
if (xfs_icsb_init_counters(mp))
mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
/*
* Setup flags based on mount(2) options and then the superblock
*/
error = xfs_start_flags(args, mp);
if (error)
goto out_free_fsname;
error = xfs_readsb(mp, flags);
if (error)
goto out_free_fsname;
error = xfs_finish_flags(args, mp);
goto out_destroy_counters;
error = xfs_finish_flags(mp);
if (error)
goto out_free_sb;
@ -1612,7 +1491,7 @@ xfs_fs_fill_super(
if (error)
goto out_filestream_unmount;
XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, args->mtpt, args->fsname);
XFS_SEND_MOUNT(mp, DM_RIGHT_NULL, mtpt, mp->m_fsname);
sb->s_dirt = 1;
sb->s_magic = XFS_SB_MAGIC;
@ -1641,27 +1520,27 @@ xfs_fs_fill_super(
if (error)
goto fail_vnrele;
xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
kfree(mtpt);
kfree(args);
xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
return 0;
out_filestream_unmount:
xfs_filestream_unmount(mp);
out_free_sb:
xfs_freesb(mp);
out_free_fsname:
xfs_free_fsname(mp);
out_destroy_counters:
xfs_icsb_destroy_counters(mp);
xfs_close_devices(mp);
out_put_qmops:
xfs_qmops_put(mp);
out_put_dmops:
xfs_dmops_put(mp);
out_free_mp:
out_free_fsname:
xfs_free_fsname(mp);
kfree(mtpt);
kfree(mp);
out_free_args:
kfree(args);
out:
return -error;
fail_vnrele:

1
fs/xfs/quota/xfs_qm.c
View File

@ -20,7 +20,6 @@
#include "xfs_bit.h"
#include "xfs_log.h"
#include "xfs_inum.h"
#include "xfs_clnt.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"

1
fs/xfs/quota/xfs_qm_bhv.c
View File

@ -20,7 +20,6 @@
#include "xfs_bit.h"
#include "xfs_log.h"
#include "xfs_inum.h"
#include "xfs_clnt.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"

105
fs/xfs/xfs_clnt.h
View File

@ -1,105 +0,0 @@
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_CLNT_H__
#define __XFS_CLNT_H__
/*
* XFS arguments structure, constructed from the arguments we
* are passed via the mount system call.
*
* NOTE: The mount system call is handled differently between
* Linux and IRIX. In IRIX we worked work with a binary data
* structure coming in across the syscall interface from user
* space (the mount userspace knows about each filesystem type
* and the set of valid options for it, and converts the users
* argument string into a binary structure _before_ making the
* system call), and the ABI issues that this implies.
*
* In Linux, we are passed a comma separated set of options;
* ie. a NULL terminated string of characters. Userspace mount
* code does not have any knowledge of mount options expected by
* each filesystem type and so each filesystem parses its mount
* options in kernel space.
*
* For the Linux port, we kept this structure pretty much intact
* and use it internally (because the existing code groks it).
*/
struct xfs_mount_args {
int flags; /* flags -> see XFSMNT_... macros below */
int flags2; /* flags -> see XFSMNT2_... macros below */
int logbufs; /* Number of log buffers, -1 to default */
int logbufsize; /* Size of log buffers, -1 to default */
char fsname[MAXNAMELEN+1]; /* data device name */
char rtname[MAXNAMELEN+1]; /* realtime device filename */
char logname[MAXNAMELEN+1]; /* journal device filename */
char mtpt[MAXNAMELEN+1]; /* filesystem mount point */
int sunit; /* stripe unit (BBs) */
int swidth; /* stripe width (BBs), multiple of sunit */
uchar_t iosizelog; /* log2 of the preferred I/O size */
int ihashsize; /* inode hash table size (buckets) */
};
/*
* XFS mount option flags -- args->flags1
*/
#define XFSMNT_ATTR2 0x00000001 /* allow ATTR2 EA format */
#define XFSMNT_WSYNC 0x00000002 /* safe mode nfs mount
* compatible */
#define XFSMNT_INO64 0x00000004 /* move inode numbers up
* past 2^32 */
#define XFSMNT_UQUOTA 0x00000008 /* user quota accounting */
#define XFSMNT_PQUOTA 0x00000010 /* IRIX prj quota accounting */
#define XFSMNT_UQUOTAENF 0x00000020 /* user quota limit
* enforcement */
#define XFSMNT_PQUOTAENF 0x00000040 /* IRIX project quota limit
* enforcement */
#define XFSMNT_QUIET 0x00000080 /* don't report mount errors */
#define XFSMNT_NOALIGN 0x00000200 /* don't allocate at
* stripe boundaries*/
#define XFSMNT_RETERR 0x00000400 /* return error to user */
#define XFSMNT_NORECOVERY 0x00000800 /* no recovery, implies
* read-only mount */
#define XFSMNT_SHARED 0x00001000 /* shared XFS mount */
#define XFSMNT_IOSIZE 0x00002000 /* optimize for I/O size */
#define XFSMNT_OSYNCISOSYNC 0x00004000 /* o_sync is REALLY o_sync */
/* (osyncisdsync is default) */
#define XFSMNT_NOATTR2 0x00008000 /* turn off ATTR2 EA format */
#define XFSMNT_32BITINODES 0x00200000 /* restrict inodes to 32
* bits of address space */
#define XFSMNT_GQUOTA 0x00400000 /* group quota accounting */
#define XFSMNT_GQUOTAENF 0x00800000 /* group quota limit
* enforcement */
#define XFSMNT_NOUUID 0x01000000 /* Ignore fs uuid */
#define XFSMNT_DMAPI 0x02000000 /* enable dmapi/xdsm */
#define XFSMNT_BARRIER 0x04000000 /* use write barriers */
#define XFSMNT_IKEEP 0x08000000 /* inode cluster delete */
#define XFSMNT_SWALLOC 0x10000000 /* turn on stripe width
* allocation */
#define XFSMNT_DIRSYNC 0x40000000 /* sync creat,link,unlink,rename
* symlink,mkdir,rmdir,mknod */
#define XFSMNT_FLAGS2 0x80000000 /* more flags set in flags2 */
/*
* XFS mount option flags -- args->flags2
*/
#define XFSMNT2_COMPAT_IOSIZE 0x00000001 /* don't report large preferred
* I/O size in stat(2) */
#define XFSMNT2_FILESTREAMS 0x00000002 /* enable the filestreams
* allocator */
#endif /* __XFS_CLNT_H__ */

5
fs/xfs/xfs_dmops.c
View File

@ -25,7 +25,6 @@
#include "xfs_inum.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_clnt.h"
static struct xfs_dmops xfs_dmcore_stub = {
@ -38,9 +37,9 @@ static struct xfs_dmops xfs_dmcore_stub = {
};
int
xfs_dmops_get(struct xfs_mount *mp, struct xfs_mount_args *args)
xfs_dmops_get(struct xfs_mount *mp)
{
if (args->flags & XFSMNT_DMAPI) {
if (mp->m_flags & XFS_MOUNT_DMAPI) {
cmn_err(CE_WARN,
"XFS: dmapi support not available in this kernel.");
return EINVAL;

4
fs/xfs/xfs_mount.h
View File

@ -515,9 +515,9 @@ extern void xfs_freesb(xfs_mount_t *);
extern int xfs_fs_writable(xfs_mount_t *);
extern int xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t);
extern int xfs_dmops_get(struct xfs_mount *, struct xfs_mount_args *);
extern int xfs_dmops_get(struct xfs_mount *);
extern void xfs_dmops_put(struct xfs_mount *);
extern int xfs_qmops_get(struct xfs_mount *, struct xfs_mount_args *);
extern int xfs_qmops_get(struct xfs_mount *);
extern void xfs_qmops_put(struct xfs_mount *);
extern struct xfs_dmops xfs_dmcore_xfs;

5
fs/xfs/xfs_qmops.c
View File

@ -28,7 +28,6 @@
#include "xfs_mount.h"
#include "xfs_quota.h"
#include "xfs_error.h"
#include "xfs_clnt.h"
STATIC struct xfs_dquot *
@ -131,9 +130,9 @@ static struct xfs_qmops xfs_qmcore_stub = {
};
int
xfs_qmops_get(struct xfs_mount *mp, struct xfs_mount_args *args)
xfs_qmops_get(struct xfs_mount *mp)
{
if (args->flags & (XFSMNT_UQUOTA | XFSMNT_PQUOTA | XFSMNT_GQUOTA)) {
if (XFS_IS_QUOTA_RUNNING(mp)) {
#ifdef CONFIG_XFS_QUOTA
mp->m_qm_ops = &xfs_qmcore_xfs;
#else

1
fs/xfs/xfs_vfsops.c
View File

@ -49,7 +49,6 @@
#include "xfs_extfree_item.h"
#include "xfs_acl.h"
#include "xfs_attr.h"
#include "xfs_clnt.h"
#include "xfs_mru_cache.h"
#include "xfs_filestream.h"
#include "xfs_fsops.h"