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path: root/fs/xfs/xfs_super.c
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Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c126
1 files changed, 90 insertions, 36 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 584cf2d573ba..612c1d5348b3 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -212,9 +212,9 @@ xfs_parseargs(
*/
if (sb_rdonly(sb))
mp->m_flags |= XFS_MOUNT_RDONLY;
- if (sb->s_flags & MS_DIRSYNC)
+ if (sb->s_flags & SB_DIRSYNC)
mp->m_flags |= XFS_MOUNT_DIRSYNC;
- if (sb->s_flags & MS_SYNCHRONOUS)
+ if (sb->s_flags & SB_SYNCHRONOUS)
mp->m_flags |= XFS_MOUNT_WSYNC;
/*
@@ -250,6 +250,7 @@ xfs_parseargs(
return -EINVAL;
break;
case Opt_logdev:
+ kfree(mp->m_logname);
mp->m_logname = match_strdup(args);
if (!mp->m_logname)
return -ENOMEM;
@@ -258,6 +259,7 @@ xfs_parseargs(
xfs_warn(mp, "%s option not allowed on this system", p);
return -EINVAL;
case Opt_rtdev:
+ kfree(mp->m_rtname);
mp->m_rtname = match_strdup(args);
if (!mp->m_rtname)
return -ENOMEM;
@@ -970,7 +972,6 @@ xfs_fs_destroy_inode(
struct inode *inode)
{
struct xfs_inode *ip = XFS_I(inode);
- int error;
trace_xfs_destroy_inode(ip);
@@ -978,14 +979,6 @@ xfs_fs_destroy_inode(
XFS_STATS_INC(ip->i_mount, vn_rele);
XFS_STATS_INC(ip->i_mount, vn_remove);
- if (xfs_is_reflink_inode(ip)) {
- error = xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF, true);
- if (error && !XFS_FORCED_SHUTDOWN(ip->i_mount))
- xfs_warn(ip->i_mount,
-"Error %d while evicting CoW blocks for inode %llu.",
- error, ip->i_ino);
- }
-
xfs_inactive(ip);
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
@@ -1007,6 +1000,28 @@ xfs_fs_destroy_inode(
xfs_inode_set_reclaim_tag(ip);
}
+static void
+xfs_fs_dirty_inode(
+ struct inode *inode,
+ int flag)
+{
+ struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
+ struct xfs_trans *tp;
+
+ if (!(inode->i_sb->s_flags & SB_LAZYTIME))
+ return;
+ if (flag != I_DIRTY_SYNC || !(inode->i_state & I_DIRTY_TIME))
+ return;
+
+ if (xfs_trans_alloc(mp, &M_RES(mp)->tr_fsyncts, 0, 0, 0, &tp))
+ return;
+ xfs_ilock(ip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_TIMESTAMP);
+ xfs_trans_commit(tp);
+}
+
/*
* Slab object creation initialisation for the XFS inode.
* This covers only the idempotent fields in the XFS inode;
@@ -1153,6 +1168,14 @@ xfs_fs_statfs(
((mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_PQUOTA_ENFD))) ==
(XFS_PQUOTA_ACCT|XFS_PQUOTA_ENFD))
xfs_qm_statvfs(ip, statp);
+
+ if (XFS_IS_REALTIME_MOUNT(mp) &&
+ (ip->i_d.di_flags & (XFS_DIFLAG_RTINHERIT | XFS_DIFLAG_REALTIME))) {
+ statp->f_blocks = sbp->sb_rblocks;
+ statp->f_bavail = statp->f_bfree =
+ sbp->sb_frextents * sbp->sb_rextsize;
+ }
+
return 0;
}
@@ -1312,7 +1335,7 @@ xfs_fs_remount(
}
/* ro -> rw */
- if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) {
+ if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & SB_RDONLY)) {
if (mp->m_flags & XFS_MOUNT_NORECOVERY) {
xfs_warn(mp,
"ro->rw transition prohibited on norecovery mount");
@@ -1360,6 +1383,7 @@ xfs_fs_remount(
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
return error;
}
+ xfs_queue_cowblocks(mp);
/* Create the per-AG metadata reservation pool .*/
error = xfs_fs_reserve_ag_blocks(mp);
@@ -1368,7 +1392,15 @@ xfs_fs_remount(
}
/* rw -> ro */
- if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) {
+ if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & SB_RDONLY)) {
+ /* Get rid of any leftover CoW reservations... */
+ cancel_delayed_work_sync(&mp->m_cowblocks_work);
+ error = xfs_icache_free_cowblocks(mp, NULL);
+ if (error) {
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ return error;
+ }
+
/* Free the per-AG metadata reservation pool. */
error = xfs_fs_unreserve_ag_blocks(mp);
if (error) {
@@ -1547,29 +1579,48 @@ xfs_destroy_percpu_counters(
percpu_counter_destroy(&mp->m_fdblocks);
}
-STATIC int
-xfs_fs_fill_super(
- struct super_block *sb,
- void *data,
- int silent)
+static struct xfs_mount *
+xfs_mount_alloc(
+ struct super_block *sb)
{
- struct inode *root;
- struct xfs_mount *mp = NULL;
- int flags = 0, error = -ENOMEM;
+ struct xfs_mount *mp;
mp = kzalloc(sizeof(struct xfs_mount), GFP_KERNEL);
if (!mp)
- goto out;
+ return NULL;
+ mp->m_super = sb;
spin_lock_init(&mp->m_sb_lock);
+ spin_lock_init(&mp->m_agirotor_lock);
+ INIT_RADIX_TREE(&mp->m_perag_tree, GFP_ATOMIC);
+ spin_lock_init(&mp->m_perag_lock);
mutex_init(&mp->m_growlock);
atomic_set(&mp->m_active_trans, 0);
INIT_DELAYED_WORK(&mp->m_reclaim_work, xfs_reclaim_worker);
INIT_DELAYED_WORK(&mp->m_eofblocks_work, xfs_eofblocks_worker);
INIT_DELAYED_WORK(&mp->m_cowblocks_work, xfs_cowblocks_worker);
mp->m_kobj.kobject.kset = xfs_kset;
+ return mp;
+}
- mp->m_super = sb;
+
+STATIC int
+xfs_fs_fill_super(
+ struct super_block *sb,
+ void *data,
+ int silent)
+{
+ struct inode *root;
+ struct xfs_mount *mp = NULL;
+ int flags = 0, error = -ENOMEM;
+
+ /*
+ * allocate mp and do all low-level struct initializations before we
+ * attach it to the super
+ */
+ mp = xfs_mount_alloc(sb);
+ if (!mp)
+ goto out;
sb->s_fs_info = mp;
error = xfs_parseargs(mp, (char *)data);
@@ -1637,7 +1688,7 @@ xfs_fs_fill_super(
/* version 5 superblocks support inode version counters. */
if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5)
- sb->s_flags |= MS_I_VERSION;
+ sb->s_flags |= SB_I_VERSION;
if (mp->m_flags & XFS_MOUNT_DAX) {
xfs_warn(mp,
@@ -1649,9 +1700,12 @@ xfs_fs_fill_super(
"DAX unsupported by block device. Turning off DAX.");
mp->m_flags &= ~XFS_MOUNT_DAX;
}
- if (xfs_sb_version_hasreflink(&mp->m_sb))
+ if (xfs_sb_version_hasreflink(&mp->m_sb)) {
xfs_alert(mp,
- "DAX and reflink have not been tested together!");
+ "DAX and reflink cannot be used together!");
+ error = -EINVAL;
+ goto out_filestream_unmount;
+ }
}
if (mp->m_flags & XFS_MOUNT_DISCARD) {
@@ -1664,20 +1718,19 @@ xfs_fs_fill_super(
}
}
- if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
- if (mp->m_sb.sb_rblocks) {
- xfs_alert(mp,
- "EXPERIMENTAL reverse mapping btree not compatible with realtime device!");
- error = -EINVAL;
- goto out_filestream_unmount;
- }
+ if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) {
xfs_alert(mp,
- "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!");
+ "reflink not compatible with realtime device!");
+ error = -EINVAL;
+ goto out_filestream_unmount;
}
- if (xfs_sb_version_hasreflink(&mp->m_sb))
+ if (xfs_sb_version_hasrmapbt(&mp->m_sb) && mp->m_sb.sb_rblocks) {
xfs_alert(mp,
- "EXPERIMENTAL reflink feature enabled. Use at your own risk!");
+ "reverse mapping btree not compatible with realtime device!");
+ error = -EINVAL;
+ goto out_filestream_unmount;
+ }
error = xfs_mountfs(mp);
if (error)
@@ -1768,6 +1821,7 @@ xfs_fs_free_cached_objects(
static const struct super_operations xfs_super_operations = {
.alloc_inode = xfs_fs_alloc_inode,
.destroy_inode = xfs_fs_destroy_inode,
+ .dirty_inode = xfs_fs_dirty_inode,
.drop_inode = xfs_fs_drop_inode,
.put_super = xfs_fs_put_super,
.sync_fs = xfs_fs_sync_fs,
generated by cgit (git 2.34.1) at 2024-05-27 17:35:22 +0000