#include "xfs_buf_item.h"
#include "xfs_utils.h"
#include "xfs_vnodeops.h"
-#include "xfs_vfsops.h"
#include "xfs_version.h"
#include "xfs_log_priv.h"
#include "xfs_trans_priv.h"
#include <linux/freezer.h>
#include <linux/parser.h>
-static struct quotactl_ops xfs_quotactl_operations;
static struct super_operations xfs_super_operations;
static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
#define MNTOPT_RTDEV "rtdev" /* realtime I/O device */
#define MNTOPT_BIOSIZE "biosize" /* log2 of preferred buffered io size */
#define MNTOPT_WSYNC "wsync" /* safe-mode nfs compatible mount */
-#define MNTOPT_INO64 "ino64" /* force inodes into 64-bit range */
#define MNTOPT_NOALIGN "noalign" /* turn off stripe alignment */
#define MNTOPT_SWALLOC "swalloc" /* turn on stripe width allocation */
#define MNTOPT_SUNIT "sunit" /* data volume stripe unit */
int dswidth = 0;
int iosize = 0;
int dmapi_implies_ikeep = 1;
- uchar_t iosizelog = 0;
+ __uint8_t iosizelog = 0;
/*
* Copy binary VFS mount flags we are interested in.
return EINVAL;
}
iosize = simple_strtoul(value, &eov, 10);
- iosizelog = (uint8_t) iosize;
+ iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
mp->m_flags |= XFS_MOUNT_NORECOVERY;
- } else if (!strcmp(this_char, MNTOPT_INO64)) {
-#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)) {
mp->m_flags |= XFS_MOUNT_NOALIGN;
} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
} else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
mp->m_qflags &= ~(XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE |
XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE |
+ XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE |
XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD);
} else if (!strcmp(this_char, MNTOPT_QUOTA) ||
!strcmp(this_char, MNTOPT_UQUOTA) ||
return EINVAL;
}
+#ifndef CONFIG_XFS_QUOTA
+ if (XFS_IS_QUOTA_RUNNING(mp)) {
+ cmn_err(CE_WARN,
+ "XFS: quota support not available in this kernel.");
+ return EINVAL;
+ }
+#endif
+
if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) &&
(mp->m_qflags & (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE))) {
cmn_err(CE_WARN,
/* the few simple ones we can get from the mount struct */
{ XFS_MOUNT_IKEEP, "," MNTOPT_IKEEP },
{ XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC },
- { XFS_MOUNT_INO64, "," MNTOPT_INO64 },
{ XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN },
{ XFS_MOUNT_SWALLOC, "," MNTOPT_SWALLOC },
{ XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID },
return (((__uint64_t)pagefactor) << bitshift) - 1;
}
-int
+STATIC int
xfs_blkdev_get(
xfs_mount_t *mp,
const char *name,
return -error;
}
-void
+STATIC void
xfs_blkdev_put(
struct block_device *bdev)
{
{
if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp) {
struct block_device *logdev = mp->m_logdev_targp->bt_bdev;
- xfs_free_buftarg(mp->m_logdev_targp);
+ xfs_free_buftarg(mp, mp->m_logdev_targp);
xfs_blkdev_put(logdev);
}
if (mp->m_rtdev_targp) {
struct block_device *rtdev = mp->m_rtdev_targp->bt_bdev;
- xfs_free_buftarg(mp->m_rtdev_targp);
+ xfs_free_buftarg(mp, mp->m_rtdev_targp);
xfs_blkdev_put(rtdev);
}
- xfs_free_buftarg(mp->m_ddev_targp);
+ xfs_free_buftarg(mp, mp->m_ddev_targp);
}
/*
out_free_rtdev_targ:
if (mp->m_rtdev_targp)
- xfs_free_buftarg(mp->m_rtdev_targp);
+ xfs_free_buftarg(mp, mp->m_rtdev_targp);
out_free_ddev_targ:
- xfs_free_buftarg(mp->m_ddev_targp);
+ xfs_free_buftarg(mp, mp->m_ddev_targp);
out_close_rtdev:
if (rtdev)
xfs_blkdev_put(rtdev);
wake_up_process(ailp->xa_task);
}
-int
+STATIC int
xfsaild(
void *data)
{
struct inode *inode,
int sync)
{
+ struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
int error = 0;
- int flags = 0;
- xfs_itrace_entry(XFS_I(inode));
+ xfs_itrace_entry(ip);
+
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return XFS_ERROR(EIO);
+
if (sync) {
- filemap_fdatawait(inode->i_mapping);
- flags |= FLUSH_SYNC;
+ error = xfs_wait_on_pages(ip, 0, -1);
+ if (error)
+ goto out;
}
- error = xfs_inode_flush(XFS_I(inode), flags);
+
+ /*
+ * Bypass inodes which have already been cleaned by
+ * the inode flush clustering code inside xfs_iflush
+ */
+ if (xfs_inode_clean(ip))
+ goto out;
+
+ /*
+ * We make this non-blocking if the inode is contended, return
+ * EAGAIN to indicate to the caller that they did not succeed.
+ * This prevents the flush path from blocking on inodes inside
+ * another operation right now, they get caught later by xfs_sync.
+ */
+ if (sync) {
+ xfs_ilock(ip, XFS_ILOCK_SHARED);
+ xfs_iflock(ip);
+
+ error = xfs_iflush(ip, XFS_IFLUSH_SYNC);
+ } else {
+ error = EAGAIN;
+ if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
+ goto out;
+ if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip))
+ goto out_unlock;
+
+ error = xfs_iflush(ip, XFS_IFLUSH_ASYNC_NOBLOCK);
+ }
+
+ out_unlock:
+ xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ out:
/*
* if we failed to write out the inode then mark
* it dirty again so we'll try again later.
*/
if (error)
- xfs_mark_inode_dirty_sync(XFS_I(inode));
-
+ xfs_mark_inode_dirty_sync(ip);
return -error;
}
XFS_STATS_DEC(vn_active);
xfs_inactive(ip);
- xfs_iflags_clear(ip, XFS_IMODIFIED);
}
STATIC void
struct xfs_mount *mp = XFS_M(sb);
struct xfs_inode *rip = mp->m_rootip;
int unmount_event_flags = 0;
- int error;
xfs_syncd_stop(mp);
xfs_sync_inodes(mp, SYNC_ATTR|SYNC_DELWRI);
xfs_filestream_unmount(mp);
XFS_bflush(mp->m_ddev_targp);
- error = xfs_unmount_flush(mp, 0);
- WARN_ON(error);
if (mp->m_flags & XFS_MOUNT_DMAPI) {
XFS_SEND_UNMOUNT(mp, rip, DM_RIGHT_NULL, 0, 0,
xfs_freesb(mp);
xfs_icsb_destroy_counters(mp);
xfs_close_devices(mp);
- xfs_qmops_put(mp);
xfs_dmops_put(mp);
xfs_free_fsname(mp);
kfree(mp);
{
struct xfs_mount *mp = XFS_M(dentry->d_sb);
xfs_sb_t *sbp = &mp->m_sb;
+ struct xfs_inode *ip = XFS_I(dentry->d_inode);
__uint64_t fakeinos, id;
xfs_extlen_t lsize;
statp->f_bfree = statp->f_bavail =
sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
fakeinos = statp->f_bfree << sbp->sb_inopblog;
-#if XFS_BIG_INUMS
- fakeinos += mp->m_inoadd;
-#endif
statp->f_files =
MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
if (mp->m_maxicount)
-#if XFS_BIG_INUMS
- if (!mp->m_inoadd)
-#endif
- statp->f_files = min_t(typeof(statp->f_files),
- statp->f_files,
- mp->m_maxicount);
+ statp->f_files = min_t(typeof(statp->f_files),
+ statp->f_files,
+ mp->m_maxicount);
statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
spin_unlock(&mp->m_sb_lock);
- XFS_QM_DQSTATVFS(XFS_I(dentry->d_inode), statp);
+ if ((ip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) ||
+ ((mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))) ==
+ (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))
+ xfs_qm_statvfs(ip, statp);
return 0;
}
struct xfs_mount *mp = XFS_M(sb);
substring_t args[MAX_OPT_ARGS];
char *p;
+ int error;
while ((p = strsep(&options, ",")) != NULL) {
int token;
}
}
- /* rw/ro -> rw */
+ /* ro -> rw */
if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) {
mp->m_flags &= ~XFS_MOUNT_RDONLY;
if (mp->m_flags & XFS_MOUNT_BARRIER)
xfs_mountfs_check_barriers(mp);
+
+ /*
+ * If this is the first remount to writeable state we
+ * might have some superblock changes to update.
+ */
+ if (mp->m_update_flags) {
+ error = xfs_mount_log_sb(mp, mp->m_update_flags);
+ if (error) {
+ cmn_err(CE_WARN,
+ "XFS: failed to write sb changes");
+ return error;
+ }
+ mp->m_update_flags = 0;
+ }
}
/* rw -> ro */
* need to take care of the metadata. Once that's done write a dummy
* record to dirty the log in case of a crash while frozen.
*/
-STATIC void
-xfs_fs_lockfs(
+STATIC int
+xfs_fs_freeze(
struct super_block *sb)
{
struct xfs_mount *mp = XFS_M(sb);
xfs_quiesce_attr(mp);
- xfs_fs_log_dummy(mp);
+ return -xfs_fs_log_dummy(mp);
}
STATIC int
return -xfs_showargs(XFS_M(mnt->mnt_sb), m);
}
-STATIC int
-xfs_fs_quotasync(
- struct super_block *sb,
- int type)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL);
-}
-
-STATIC int
-xfs_fs_getxstate(
- struct super_block *sb,
- struct fs_quota_stat *fqs)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
-}
-
-STATIC int
-xfs_fs_setxstate(
- struct super_block *sb,
- unsigned int flags,
- int op)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags);
-}
-
-STATIC int
-xfs_fs_getxquota(
- struct super_block *sb,
- int type,
- qid_t id,
- struct fs_disk_quota *fdq)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb),
- (type == USRQUOTA) ? Q_XGETQUOTA :
- ((type == GRPQUOTA) ? Q_XGETGQUOTA :
- Q_XGETPQUOTA), id, (caddr_t)fdq);
-}
-
-STATIC int
-xfs_fs_setxquota(
- struct super_block *sb,
- int type,
- qid_t id,
- struct fs_disk_quota *fdq)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb),
- (type == USRQUOTA) ? Q_XSETQLIM :
- ((type == GRPQUOTA) ? Q_XSETGQLIM :
- Q_XSETPQLIM), id, (caddr_t)fdq);
-}
-
/*
* This function fills in xfs_mount_t fields based on mount args.
* Note: the superblock _has_ now been read in.
{
int ronly = (mp->m_flags & XFS_MOUNT_RDONLY);
- /* Fail a mount where the logbuf is smaller then the log stripe */
+ /* Fail a mount where the logbuf is smaller than the log stripe */
if (xfs_sb_version_haslogv2(&mp->m_sb)) {
if (mp->m_logbsize <= 0 &&
mp->m_sb.sb_logsunit > XLOG_BIG_RECORD_BSIZE) {
return XFS_ERROR(EROFS);
}
-#if 0 /* shared mounts were never supported on Linux */
- /*
- * check for shared mount.
- */
- if (ap->flags & XFSMNT_SHARED) {
- if (!xfs_sb_version_hasshared(&mp->m_sb))
- return XFS_ERROR(EINVAL);
-
- /*
- * For IRIX 6.5, shared mounts must have the shared
- * version bit set, have the persistent readonly
- * field set, must be version 0 and can only be mounted
- * read-only.
- */
- if (!ronly || !(mp->m_sb.sb_flags & XFS_SBF_READONLY) ||
- (mp->m_sb.sb_shared_vn != 0))
- return XFS_ERROR(EINVAL);
-
- mp->m_flags |= XFS_MOUNT_SHARED;
-
- /*
- * Shared XFS V0 can't deal with DMI. Return EINVAL.
- */
- if (mp->m_sb.sb_shared_vn == 0 &&
- (mp->m_flags & XFS_MOUNT_DMAPI))
- return XFS_ERROR(EINVAL);
- }
-#endif
-
return 0;
}
sb_min_blocksize(sb, BBSIZE);
sb->s_xattr = xfs_xattr_handlers;
sb->s_export_op = &xfs_export_operations;
+#ifdef CONFIG_XFS_QUOTA
sb->s_qcop = &xfs_quotactl_operations;
+#endif
sb->s_op = &xfs_super_operations;
error = xfs_dmops_get(mp);
if (error)
goto out_free_fsname;
- error = xfs_qmops_get(mp);
- if (error)
- goto out_put_dmops;
if (silent)
flags |= XFS_MFSI_QUIET;
error = xfs_open_devices(mp);
if (error)
- goto out_put_qmops;
+ goto out_put_dmops;
if (xfs_icsb_init_counters(mp))
mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
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_fsname:
xfs_filestream_unmount(mp);
XFS_bflush(mp->m_ddev_targp);
- error = xfs_unmount_flush(mp, 0);
- WARN_ON(error);
xfs_unmountfs(mp);
goto out_free_sb;
.put_super = xfs_fs_put_super,
.write_super = xfs_fs_write_super,
.sync_fs = xfs_fs_sync_super,
- .write_super_lockfs = xfs_fs_lockfs,
+ .freeze_fs = xfs_fs_freeze,
.statfs = xfs_fs_statfs,
.remount_fs = xfs_fs_remount,
.show_options = xfs_fs_show_options,
};
-static struct quotactl_ops xfs_quotactl_operations = {
- .quota_sync = xfs_fs_quotasync,
- .get_xstate = xfs_fs_getxstate,
- .set_xstate = xfs_fs_setxstate,
- .get_xquota = xfs_fs_getxquota,
- .set_xquota = xfs_fs_setxquota,
-};
-
static struct file_system_type xfs_fs_type = {
.owner = THIS_MODULE,
.name = "xfs",
init_xfs_fs(void)
{
int error;
- static char message[] __initdata = KERN_INFO \
- XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled\n";
- printk(message);
+ printk(KERN_INFO XFS_VERSION_STRING " with "
+ XFS_BUILD_OPTIONS " enabled\n");
ktrace_init(64);
- vn_init();
+ xfs_ioend_init();
xfs_dir_startup();
error = xfs_init_zones();
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff