#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_bmap_btree.h"
#include "xfs_ialloc_btree.h"
#include "xfs_alloc_btree.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
#ifdef XFS_BMBT_TRACE
xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_SLEEP);
#endif
-#ifdef XFS_DIR_TRACE
- xfs_dir_trace_buf = ktrace_alloc(XFS_DIR_TRACE_SIZE, KM_SLEEP);
-#endif
#ifdef XFS_ATTR_TRACE
xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_SLEEP);
#endif
#ifdef XFS_ATTR_TRACE
ktrace_free(xfs_attr_trace_buf);
#endif
-#ifdef XFS_DIR_TRACE
- ktrace_free(xfs_dir_trace_buf);
-#endif
#ifdef XFS_BMBT_TRACE
ktrace_free(xfs_bmbt_trace_buf);
#endif
*/
STATIC int
xfs_start_flags(
- struct vfs *vfs,
+ struct bhv_vfs *vfs,
struct xfs_mount_args *ap,
struct xfs_mount *mp)
{
*/
STATIC int
xfs_finish_flags(
- struct vfs *vfs,
+ struct bhv_vfs *vfs,
struct xfs_mount_args *ap,
struct xfs_mount *mp)
{
struct xfs_mount_args *args,
cred_t *credp)
{
- struct vfs *vfsp = bhvtovfs(bhvp);
+ struct bhv_vfs *vfsp = bhvtovfs(bhvp);
struct bhv_desc *p;
struct xfs_mount *mp = XFS_BHVTOM(bhvp);
struct block_device *ddev, *logdev, *rtdev;
if (error)
goto error2;
- if ((mp->m_flags & XFS_MOUNT_BARRIER) && !(vfsp->vfs_flag & VFS_RDONLY))
+ if (mp->m_flags & XFS_MOUNT_BARRIER)
xfs_mountfs_check_barriers(mp);
error = XFS_IOINIT(vfsp, args, flags);
int flags,
cred_t *credp)
{
- struct vfs *vfsp = bhvtovfs(bdp);
+ bhv_vfs_t *vfsp = bhvtovfs(bdp);
xfs_mount_t *mp = XFS_BHVTOM(bdp);
xfs_inode_t *rip;
- vnode_t *rvp;
+ bhv_vnode_t *rvp;
int unmount_event_wanted = 0;
int unmount_event_flags = 0;
int xfs_unmountfs_needed = 0;
* we can write the unmount record.
*/
do {
- xfs_syncsub(mp, SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT, 0, NULL);
+ xfs_syncsub(mp, SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT, NULL);
pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1);
if (!pincount) {
delay(50);
int *flags,
struct xfs_mount_args *args)
{
- struct vfs *vfsp = bhvtovfs(bdp);
+ bhv_vfs_t *vfsp = bhvtovfs(bdp);
xfs_mount_t *mp = XFS_BHVTOM(bdp);
- int error;
-
- if (args->flags & XFSMNT_BARRIER)
- mp->m_flags |= XFS_MOUNT_BARRIER;
- else
- mp->m_flags &= ~XFS_MOUNT_BARRIER;
- if ((vfsp->vfs_flag & VFS_RDONLY) &&
- !(*flags & MS_RDONLY)) {
- vfsp->vfs_flag &= ~VFS_RDONLY;
-
- if (args->flags & XFSMNT_BARRIER)
+ if (!(*flags & MS_RDONLY)) { /* rw/ro -> rw */
+ if (vfsp->vfs_flag & VFS_RDONLY)
+ vfsp->vfs_flag &= ~VFS_RDONLY;
+ if (args->flags & XFSMNT_BARRIER) {
+ mp->m_flags |= XFS_MOUNT_BARRIER;
xfs_mountfs_check_barriers(mp);
- }
-
- if (!(vfsp->vfs_flag & VFS_RDONLY) &&
- (*flags & MS_RDONLY)) {
- VFS_SYNC(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL, error);
-
+ } else {
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+ }
+ } else if (!(vfsp->vfs_flag & VFS_RDONLY)) { /* rw -> ro */
+ bhv_vfs_sync(vfsp, SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR, NULL);
xfs_quiesce_fs(mp);
-
- /* Ok now write out an unmount record */
xfs_log_unmount_write(mp);
xfs_unmountfs_writesb(mp);
vfsp->vfs_flag |= VFS_RDONLY;
}
-
return 0;
}
xfs_inode_t *rip = mp->m_rootip;
xfs_inode_t *rbmip;
xfs_inode_t *rsumip = NULL;
- vnode_t *rvp = XFS_ITOV(rip);
+ bhv_vnode_t *rvp = XFS_ITOV(rip);
int error;
xfs_ilock(rip, XFS_ILOCK_EXCL);
STATIC int
xfs_root(
bhv_desc_t *bdp,
- vnode_t **vpp)
+ bhv_vnode_t **vpp)
{
- vnode_t *vp;
+ bhv_vnode_t *vp;
vp = XFS_ITOV((XFS_BHVTOM(bdp))->m_rootip);
VN_HOLD(vp);
STATIC int
xfs_statvfs(
bhv_desc_t *bdp,
- xfs_statfs_t *statp,
- vnode_t *vp)
+ bhv_statvfs_t *statp,
+ bhv_vnode_t *vp)
{
__uint64_t fakeinos;
xfs_extlen_t lsize;
statp->f_type = XFS_SB_MAGIC;
- xfs_icsb_sync_counters_lazy(mp);
+ xfs_icsb_sync_counters_flags(mp, XFS_ICSB_LAZY_COUNT);
s = XFS_SB_LOCK(mp);
statp->f_bsize = sbp->sb_blocksize;
lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0;
statp->f_blocks = sbp->sb_dblocks - lsize;
- statp->f_bfree = statp->f_bavail = sbp->sb_fdblocks;
+ 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;
* this by simply making sure the log gets flushed
* if SYNC_BDFLUSH is set, and by actually writing it
* out otherwise.
+ * SYNC_IOWAIT - The caller wants us to wait for all data I/O to complete
+ * before we return (including direct I/O). Forms the drain
+ * side of the write barrier needed to safely quiesce the
+ * filesystem.
*
*/
/*ARGSUSED*/
{
xfs_mount_t *mp = XFS_BHVTOM(bdp);
- if (unlikely(flags == SYNC_QUIESCE))
- return xfs_quiesce_fs(mp);
- else
- return xfs_syncsub(mp, flags, 0, NULL);
+ return xfs_syncsub(mp, flags, NULL);
}
/*
* xfs sync routine for internal use
*
- * This routine supports all of the flags defined for the generic VFS_SYNC
- * interface as explained above under xfs_sync. In the interests of not
- * changing interfaces within the 6.5 family, additional internally-
- * required functions are specified within a separate xflags parameter,
- * only available by calling this routine.
+ * This routine supports all of the flags defined for the generic vfs_sync
+ * interface as explained above under xfs_sync.
*
*/
int
xfs_sync_inodes(
xfs_mount_t *mp,
int flags,
- int xflags,
int *bypassed)
{
xfs_inode_t *ip = NULL;
xfs_inode_t *ip_next;
xfs_buf_t *bp;
- vnode_t *vp = NULL;
+ bhv_vnode_t *vp = NULL;
int error;
int last_error;
uint64_t fflag;
xfs_iunlock(ip, XFS_ILOCK_SHARED);
if (XFS_FORCED_SHUTDOWN(mp)) {
- VOP_TOSS_PAGES(vp, 0, -1, FI_REMAPF);
+ bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF);
} else {
- VOP_FLUSHINVAL_PAGES(vp, 0, -1, FI_REMAPF);
+ error = bhv_vop_flushinval_pages(vp, 0, -1, FI_REMAPF);
}
xfs_ilock(ip, XFS_ILOCK_SHARED);
* across calls to the buffer cache.
*/
xfs_iunlock(ip, XFS_ILOCK_SHARED);
- VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1,
- fflag, FI_NONE, error);
+ error = bhv_vop_flush_pages(vp, (xfs_off_t)0,
+ -1, fflag, FI_NONE);
xfs_ilock(ip, XFS_ILOCK_SHARED);
}
}
+ /*
+ * When freezing, we need to wait ensure all I/O (including direct
+ * I/O) is complete to ensure no further data modification can take
+ * place after this point
+ */
+ if (flags & SYNC_IOWAIT)
+ vn_iowait(vp);
if (flags & SYNC_BDFLUSH) {
if ((flags & SYNC_ATTR) &&
* marker and free it.
*/
XFS_MOUNT_ILOCK(mp);
-
IPOINTER_REMOVE(ip, mp);
-
XFS_MOUNT_IUNLOCK(mp);
ASSERT(!(lock_flags &
/*
* xfs sync routine for internal use
*
- * This routine supports all of the flags defined for the generic VFS_SYNC
- * interface as explained above under xfs_sync. In the interests of not
- * changing interfaces within the 6.5 family, additional internally-
- * required functions are specified within a separate xflags parameter,
- * only available by calling this routine.
+ * This routine supports all of the flags defined for the generic vfs_sync
+ * interface as explained above under xfs_sync.
*
*/
int
xfs_syncsub(
xfs_mount_t *mp,
int flags,
- int xflags,
int *bypassed)
{
int error = 0;
if (flags & SYNC_BDFLUSH)
xfs_finish_reclaim_all(mp, 1);
else
- error = xfs_sync_inodes(mp, flags, xflags, bypassed);
+ error = xfs_sync_inodes(mp, flags, bypassed);
}
/*
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_ihold(tp, ip);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- error = xfs_trans_commit(tp, 0, NULL);
+ error = xfs_trans_commit(tp, 0);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_log_force(mp, (xfs_lsn_t)0, log_flags);
}
STATIC int
xfs_vget(
bhv_desc_t *bdp,
- vnode_t **vpp,
+ bhv_vnode_t **vpp,
fid_t *fidp)
{
xfs_mount_t *mp = XFS_BHVTOM(bdp);
#define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */
STATIC unsigned long
-suffix_strtoul(const char *cp, char **endp, unsigned int base)
+suffix_strtoul(char *s, char **endp, unsigned int base)
{
int last, shift_left_factor = 0;
- char *value = (char *)cp;
+ char *value = s;
last = strlen(value) - 1;
if (value[last] == 'K' || value[last] == 'k') {
value[last] = '\0';
}
- return simple_strtoul(cp, endp, base) << shift_left_factor;
+ return simple_strtoul((const char *)s, endp, base) << shift_left_factor;
}
STATIC int
struct xfs_mount_args *args,
int update)
{
- struct vfs *vfsp = bhvtovfs(bhv);
+ bhv_vfs_t *vfsp = bhvtovfs(bhv);
char *this_char, *value, *eov;
int dsunit, dswidth, vol_dsunit, vol_dswidth;
int iosize;
- args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
args->flags |= XFSMNT_IDELETE;
+ args->flags |= XFSMNT_BARRIER;
+ args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
if (!options)
goto done;
if (!strcmp(this_char, MNTOPT_LOGBUFS)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
args->logbufs = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
args->logbufsize = suffix_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
strncpy(args->logname, value, MAXNAMELEN);
} else if (!strcmp(this_char, MNTOPT_MTPT)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
strncpy(args->mtpt, value, MAXNAMELEN);
} else if (!strcmp(this_char, MNTOPT_RTDEV)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
strncpy(args->rtname, value, MAXNAMELEN);
} else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
args->iosizelog = (uint8_t) iosize;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
args->iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_IHASHSIZE)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
} else if (!strcmp(this_char, MNTOPT_INO64)) {
args->flags |= XFSMNT_INO64;
#if !XFS_BIG_INUMS
- printk("XFS: %s option not allowed on this system\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option not allowed on this system",
this_char);
return EINVAL;
#endif
args->flags |= XFSMNT_SWALLOC;
} else if (!strcmp(this_char, MNTOPT_SUNIT)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
dsunit = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
if (!value || !*value) {
- printk("XFS: %s option requires an argument\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option requires an argument",
this_char);
return EINVAL;
}
} else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
args->flags &= ~XFSMNT_32BITINODES;
#if !XFS_BIG_INUMS
- printk("XFS: %s option not allowed on this system\n",
+ cmn_err(CE_WARN,
+ "XFS: %s option not allowed on this system",
this_char);
return EINVAL;
#endif
args->flags &= ~XFSMNT_ATTR2;
} else if (!strcmp(this_char, "osyncisdsync")) {
/* no-op, this is now the default */
-printk("XFS: osyncisdsync is now the default, option is deprecated.\n");
+ cmn_err(CE_WARN,
+ "XFS: osyncisdsync is now the default, option is deprecated.");
} else if (!strcmp(this_char, "irixsgid")) {
-printk("XFS: irixsgid is now a sysctl(2) variable, option is deprecated.\n");
+ cmn_err(CE_WARN,
+ "XFS: irixsgid is now a sysctl(2) variable, option is deprecated.");
} else {
- printk("XFS: unknown mount option [%s].\n", this_char);
+ cmn_err(CE_WARN,
+ "XFS: unknown mount option [%s].", this_char);
return EINVAL;
}
}
if (args->flags & XFSMNT_NORECOVERY) {
if ((vfsp->vfs_flag & VFS_RDONLY) == 0) {
- printk("XFS: no-recovery mounts must be read-only.\n");
+ cmn_err(CE_WARN,
+ "XFS: no-recovery mounts must be read-only.");
return EINVAL;
}
}
if ((args->flags & XFSMNT_NOALIGN) && (dsunit || dswidth)) {
- printk(
- "XFS: sunit and swidth options incompatible with the noalign option\n");
+ cmn_err(CE_WARN,
+ "XFS: sunit and swidth options incompatible with the noalign option");
return EINVAL;
}
if ((dsunit && !dswidth) || (!dsunit && dswidth)) {
- printk("XFS: sunit and swidth must be specified together\n");
+ cmn_err(CE_WARN,
+ "XFS: sunit and swidth must be specified together");
return EINVAL;
}
if (dsunit && (dswidth % dsunit != 0)) {
- printk(
- "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)\n",
+ cmn_err(CE_WARN,
+ "XFS: stripe width (%d) must be a multiple of the stripe unit (%d)",
dswidth, dsunit);
return EINVAL;
}
};
struct proc_xfs_info *xfs_infop;
struct xfs_mount *mp = XFS_BHVTOM(bhv);
- struct vfs *vfsp = XFS_MTOVFS(mp);
+ struct bhv_vfs *vfsp = XFS_MTOVFS(mp);
for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) {
if (mp->m_flags & xfs_infop->flag)
}
if (mp->m_flags & XFS_MOUNT_IHASHSIZE)
- seq_printf(m, "," MNTOPT_IHASHSIZE "=%d", mp->m_ihsize);
+ seq_printf(m, "," MNTOPT_IHASHSIZE "=%d", (int)mp->m_ihsize);
if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk",
seq_printf(m, "," MNTOPT_IKEEP);
if (!(mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE))
seq_printf(m, "," MNTOPT_LARGEIO);
- if (mp->m_flags & XFS_MOUNT_BARRIER)
- seq_printf(m, "," MNTOPT_BARRIER);
if (!(vfsp->vfs_flag & VFS_32BITINODES))
seq_printf(m, "," MNTOPT_64BITINODE);
return 0;
}
+/*
+ * Second stage of a freeze. The data is already frozen, now we have to take
+ * care of the metadata. New transactions are already blocked, so we need to
+ * wait for any remaining transactions to drain out before proceding.
+ */
STATIC void
xfs_freeze(
bhv_desc_t *bdp)
{
xfs_mount_t *mp = XFS_BHVTOM(bdp);
+ /* wait for all modifications to complete */
while (atomic_read(&mp->m_active_trans) > 0)
delay(100);
+ /* flush inodes and push all remaining buffers out to disk */
+ xfs_quiesce_fs(mp);
+
+ ASSERT_ALWAYS(atomic_read(&mp->m_active_trans) == 0);
+
/* Push the superblock and write an unmount record */
xfs_log_unmount_write(mp);
xfs_unmountfs_writesb(mp);
}
-vfsops_t xfs_vfsops = {
+bhv_vfsops_t xfs_vfsops = {
BHV_IDENTITY_INIT(VFS_BHV_XFS,VFS_POSITION_XFS),
.vfs_parseargs = xfs_parseargs,
.vfs_showargs = xfs_showargs,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff