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-rw-r--r--fs/xfs/libxfs/xfs_dir2.c36
-rw-r--r--fs/xfs/libxfs/xfs_dir2.h8
-rw-r--r--fs/xfs/libxfs/xfs_dir2_priv.h5
-rw-r--r--fs/xfs/xfs_bmap_item.c2
-rw-r--r--fs/xfs/xfs_buf.c45
-rw-r--r--fs/xfs/xfs_buf_item.c5
-rw-r--r--fs/xfs/xfs_extfree_item.c2
-rw-r--r--fs/xfs/xfs_fsmap.c4
-rw-r--r--fs/xfs/xfs_icache.c10
-rw-r--r--fs/xfs/xfs_inode.c100
-rw-r--r--fs/xfs/xfs_inode.h2
-rw-r--r--fs/xfs/xfs_inode_item.c12
-rw-r--r--fs/xfs/xfs_ioctl.c2
-rw-r--r--fs/xfs/xfs_iops.c118
-rw-r--r--fs/xfs/xfs_log.c5
-rw-r--r--fs/xfs/xfs_log_cil.c24
-rw-r--r--fs/xfs/xfs_pnfs.c3
-rw-r--r--fs/xfs/xfs_qm.c8
-rw-r--r--fs/xfs/xfs_refcount_item.c2
-rw-r--r--fs/xfs/xfs_reflink.c5
-rw-r--r--fs/xfs/xfs_rmap_item.c2
-rw-r--r--fs/xfs/xfs_trace.h8
-rw-r--r--fs/xfs/xfs_trans.c90
-rw-r--r--fs/xfs/xfs_trans.h6
-rw-r--r--fs/xfs/xfs_trans_ail.c47
-rw-r--r--fs/xfs/xfs_trans_priv.h3
-rw-r--r--kernel/capability.c1
27 files changed, 344 insertions, 211 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index 50546eadaae2..5f1e4799e8fa 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -19,7 +19,11 @@
#include "xfs_error.h"
#include "xfs_trace.h"
-struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR };
+const struct xfs_name xfs_name_dotdot = {
+ .name = (const unsigned char *)"..",
+ .len = 2,
+ .type = XFS_DIR3_FT_DIR,
+};
/*
* Convert inode mode to directory entry filetype
@@ -54,10 +58,10 @@ xfs_mode_to_ftype(
*/
xfs_dahash_t
xfs_ascii_ci_hashname(
- struct xfs_name *name)
+ const struct xfs_name *name)
{
- xfs_dahash_t hash;
- int i;
+ xfs_dahash_t hash;
+ int i;
for (i = 0, hash = 0; i < name->len; i++)
hash = tolower(name->name[i]) ^ rol32(hash, 7);
@@ -243,7 +247,7 @@ int
xfs_dir_createname(
struct xfs_trans *tp,
struct xfs_inode *dp,
- struct xfs_name *name,
+ const struct xfs_name *name,
xfs_ino_t inum, /* new entry inode number */
xfs_extlen_t total) /* bmap's total block count */
{
@@ -337,16 +341,16 @@ xfs_dir_cilookup_result(
int
xfs_dir_lookup(
- xfs_trans_t *tp,
- xfs_inode_t *dp,
- struct xfs_name *name,
- xfs_ino_t *inum, /* out: inode number */
- struct xfs_name *ci_name) /* out: actual name if CI match */
+ struct xfs_trans *tp,
+ struct xfs_inode *dp,
+ const struct xfs_name *name,
+ xfs_ino_t *inum, /* out: inode number */
+ struct xfs_name *ci_name) /* out: actual name if CI match */
{
- struct xfs_da_args *args;
- int rval;
- int v; /* type-checking value */
- int lock_mode;
+ struct xfs_da_args *args;
+ int rval;
+ int v; /* type-checking value */
+ int lock_mode;
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
XFS_STATS_INC(dp->i_mount, xs_dir_lookup);
@@ -475,7 +479,7 @@ int
xfs_dir_replace(
struct xfs_trans *tp,
struct xfs_inode *dp,
- struct xfs_name *name, /* name of entry to replace */
+ const struct xfs_name *name, /* name of entry to replace */
xfs_ino_t inum, /* new inode number */
xfs_extlen_t total) /* bmap's total block count */
{
@@ -728,7 +732,7 @@ xfs_dir2_namecheck(
xfs_dahash_t
xfs_dir2_hashname(
struct xfs_mount *mp,
- struct xfs_name *name)
+ const struct xfs_name *name)
{
if (unlikely(xfs_has_asciici(mp)))
return xfs_ascii_ci_hashname(name);
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index d03e6098ded9..b6df3c34b26a 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -21,7 +21,7 @@ struct xfs_dir2_data_unused;
struct xfs_dir3_icfree_hdr;
struct xfs_dir3_icleaf_hdr;
-extern struct xfs_name xfs_name_dotdot;
+extern const struct xfs_name xfs_name_dotdot;
/*
* Convert inode mode to directory entry filetype
@@ -39,16 +39,16 @@ extern int xfs_dir_isempty(struct xfs_inode *dp);
extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_inode *pdp);
extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
- struct xfs_name *name, xfs_ino_t inum,
+ const struct xfs_name *name, xfs_ino_t inum,
xfs_extlen_t tot);
extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
- struct xfs_name *name, xfs_ino_t *inum,
+ const struct xfs_name *name, xfs_ino_t *inum,
struct xfs_name *ci_name);
extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_name *name, xfs_ino_t ino,
xfs_extlen_t tot);
extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
- struct xfs_name *name, xfs_ino_t inum,
+ const struct xfs_name *name, xfs_ino_t inum,
xfs_extlen_t tot);
extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
struct xfs_name *name);
diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h
index 711709a2aa53..7404a9ff1a92 100644
--- a/fs/xfs/libxfs/xfs_dir2_priv.h
+++ b/fs/xfs/libxfs/xfs_dir2_priv.h
@@ -40,7 +40,7 @@ struct xfs_dir3_icfree_hdr {
};
/* xfs_dir2.c */
-xfs_dahash_t xfs_ascii_ci_hashname(struct xfs_name *name);
+xfs_dahash_t xfs_ascii_ci_hashname(const struct xfs_name *name);
enum xfs_dacmp xfs_ascii_ci_compname(struct xfs_da_args *args,
const unsigned char *name, int len);
extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
@@ -201,7 +201,8 @@ xfs_dir2_data_entsize(
return round_up(len, XFS_DIR2_DATA_ALIGN);
}
-xfs_dahash_t xfs_dir2_hashname(struct xfs_mount *mp, struct xfs_name *name);
+xfs_dahash_t xfs_dir2_hashname(struct xfs_mount *mp,
+ const struct xfs_name *name);
enum xfs_dacmp xfs_dir2_compname(struct xfs_da_args *args,
const unsigned char *name, int len);
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index e1f4d7d5a011..761dde155099 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -463,7 +463,7 @@ xfs_bui_item_recover(
struct xfs_bui_log_item *buip = BUI_ITEM(lip);
struct xfs_trans *tp;
struct xfs_inode *ip = NULL;
- struct xfs_mount *mp = lip->li_mountp;
+ struct xfs_mount *mp = lip->li_log->l_mp;
struct xfs_map_extent *bmap;
struct xfs_bud_log_item *budp;
xfs_filblks_t count;
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 44795018df1d..e1afb9e503e1 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -14,6 +14,7 @@
#include "xfs_trace.h"
#include "xfs_log.h"
#include "xfs_log_recover.h"
+#include "xfs_log_priv.h"
#include "xfs_trans.h"
#include "xfs_buf_item.h"
#include "xfs_errortag.h"
@@ -813,7 +814,15 @@ xfs_buf_read_map(
* buffer.
*/
if (error) {
- if (!xfs_is_shutdown(target->bt_mount))
+ /*
+ * Check against log shutdown for error reporting because
+ * metadata writeback may require a read first and we need to
+ * report errors in metadata writeback until the log is shut
+ * down. High level transaction read functions already check
+ * against mount shutdown, anyway, so we only need to be
+ * concerned about low level IO interactions here.
+ */
+ if (!xlog_is_shutdown(target->bt_mount->m_log))
xfs_buf_ioerror_alert(bp, fa);
bp->b_flags &= ~XBF_DONE;
@@ -1174,10 +1183,10 @@ xfs_buf_ioend_handle_error(
struct xfs_error_cfg *cfg;
/*
- * If we've already decided to shutdown the filesystem because of I/O
- * errors, there's no point in giving this a retry.
+ * If we've already shutdown the journal because of I/O errors, there's
+ * no point in giving this a retry.
*/
- if (xfs_is_shutdown(mp))
+ if (xlog_is_shutdown(mp->m_log))
goto out_stale;
xfs_buf_ioerror_alert_ratelimited(bp);
@@ -1588,8 +1597,23 @@ __xfs_buf_submit(
ASSERT(!(bp->b_flags & _XBF_DELWRI_Q));
- /* on shutdown we stale and complete the buffer immediately */
- if (xfs_is_shutdown(bp->b_mount)) {
+ /*
+ * On log shutdown we stale and complete the buffer immediately. We can
+ * be called to read the superblock before the log has been set up, so
+ * be careful checking the log state.
+ *
+ * Checking the mount shutdown state here can result in the log tail
+ * moving inappropriately on disk as the log may not yet be shut down.
+ * i.e. failing this buffer on mount shutdown can remove it from the AIL
+ * and move the tail of the log forwards without having written this
+ * buffer to disk. This corrupts the log tail state in memory, and
+ * because the log may not be shut down yet, it can then be propagated
+ * to disk before the log is shutdown. Hence we check log shutdown
+ * state here rather than mount state to avoid corrupting the log tail
+ * on shutdown.
+ */
+ if (bp->b_mount->m_log &&
+ xlog_is_shutdown(bp->b_mount->m_log)) {
xfs_buf_ioend_fail(bp);
return -EIO;
}
@@ -1803,10 +1827,10 @@ xfs_buftarg_drain(
* If one or more failed buffers were freed, that means dirty metadata
* was thrown away. This should only ever happen after I/O completion
* handling has elevated I/O error(s) to permanent failures and shuts
- * down the fs.
+ * down the journal.
*/
if (write_fail) {
- ASSERT(xfs_is_shutdown(btp->bt_mount));
+ ASSERT(xlog_is_shutdown(btp->bt_mount->m_log));
xfs_alert(btp->bt_mount,
"Please run xfs_repair to determine the extent of the problem.");
}
@@ -2089,12 +2113,13 @@ xfs_buf_delwri_submit_buffers(
blk_start_plug(&plug);
list_for_each_entry_safe(bp, n, buffer_list, b_list) {
if (!wait_list) {
+ if (!xfs_buf_trylock(bp))
+ continue;
if (xfs_buf_ispinned(bp)) {
+ xfs_buf_unlock(bp);
pinned++;
continue;
}
- if (!xfs_buf_trylock(bp))
- continue;
} else {
xfs_buf_lock(bp);
}
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index a7a8e4528881..522d450a94b1 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -21,6 +21,7 @@
#include "xfs_dquot.h"
#include "xfs_trace.h"
#include "xfs_log.h"
+#include "xfs_log_priv.h"
struct kmem_cache *xfs_buf_item_cache;
@@ -428,7 +429,7 @@ xfs_buf_item_format(
* occurs during recovery.
*/
if (bip->bli_flags & XFS_BLI_INODE_BUF) {
- if (xfs_has_v3inodes(lip->li_mountp) ||
+ if (xfs_has_v3inodes(lip->li_log->l_mp) ||
!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
xfs_log_item_in_current_chkpt(lip)))
bip->__bli_format.blf_flags |= XFS_BLF_INODE_BUF;
@@ -616,7 +617,7 @@ xfs_buf_item_put(
* that case, the bli is freed on buffer writeback completion.
*/
aborted = test_bit(XFS_LI_ABORTED, &lip->li_flags) ||
- xfs_is_shutdown(lip->li_mountp);
+ xlog_is_shutdown(lip->li_log);
dirty = bip->bli_flags & XFS_BLI_DIRTY;
if (dirty && !aborted)
return false;
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 47ef9c9c5c17..0e50f2c9348e 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -604,7 +604,7 @@ xfs_efi_item_recover(
struct list_head *capture_list)
{
struct xfs_efi_log_item *efip = EFI_ITEM(lip);
- struct xfs_mount *mp = lip->li_mountp;
+ struct xfs_mount *mp = lip->li_log->l_mp;
struct xfs_efd_log_item *efdp;
struct xfs_trans *tp;
struct xfs_extent *extp;
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 48287caad28b..10e1cb71439e 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -864,8 +864,8 @@ xfs_getfsmap(
!xfs_getfsmap_is_valid_device(mp, &head->fmh_keys[1]))
return -EINVAL;
- use_rmap = capable(CAP_SYS_ADMIN) &&
- xfs_has_rmapbt(mp);
+ use_rmap = xfs_has_rmapbt(mp) &&
+ has_capability_noaudit(current, CAP_SYS_ADMIN);
head->fmh_entries = 0;
/* Set up our device handlers. */
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 9e434cb41e48..20186c584c7d 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -23,6 +23,7 @@
#include "xfs_reflink.h"
#include "xfs_ialloc.h"
#include "xfs_ag.h"
+#include "xfs_log_priv.h"
#include <linux/iversion.h>
@@ -873,7 +874,14 @@ xfs_reclaim_inode(
if (xfs_iflags_test_and_set(ip, XFS_IFLUSHING))
goto out_iunlock;
- if (xfs_is_shutdown(ip->i_mount)) {
+ /*
+ * Check for log shutdown because aborting the inode can move the log
+ * tail and corrupt in memory state. This is fine if the log is shut
+ * down, but if the log is still active and only the mount is shut down
+ * then the in-memory log tail movement caused by the abort can be
+ * incorrectly propagated to disk.
+ */
+ if (xlog_is_shutdown(ip->i_mount->m_log)) {
xfs_iunpin_wait(ip);
xfs_iflush_abort(ip);
goto reclaim;
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 04bf467b1090..26227d26f274 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -35,6 +35,7 @@
#include "xfs_bmap_btree.h"
#include "xfs_reflink.h"
#include "xfs_ag.h"
+#include "xfs_log_priv.h"
struct kmem_cache *xfs_inode_cache;
@@ -658,9 +659,9 @@ xfs_ip2xflags(
*/
int
xfs_lookup(
- xfs_inode_t *dp,
- struct xfs_name *name,
- xfs_inode_t **ipp,
+ struct xfs_inode *dp,
+ const struct xfs_name *name,
+ struct xfs_inode **ipp,
struct xfs_name *ci_name)
{
xfs_ino_t inum;
@@ -1217,7 +1218,7 @@ xfs_link(
{
xfs_mount_t *mp = tdp->i_mount;
xfs_trans_t *tp;
- int error;
+ int error, nospace_error = 0;
int resblks;
trace_xfs_link(tdp, target_name);
@@ -1236,19 +1237,11 @@ xfs_link(
goto std_return;
resblks = XFS_LINK_SPACE_RES(mp, target_name->len);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_link, resblks, 0, 0, &tp);
- if (error == -ENOSPC) {
- resblks = 0;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_link, 0, 0, 0, &tp);
- }
+ error = xfs_trans_alloc_dir(tdp, &M_RES(mp)->tr_link, sip, &resblks,
+ &tp, &nospace_error);
if (error)
goto std_return;
- xfs_lock_two_inodes(sip, XFS_ILOCK_EXCL, tdp, XFS_ILOCK_EXCL);
-
- xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL);
-
error = xfs_iext_count_may_overflow(tdp, XFS_DATA_FORK,
XFS_IEXT_DIR_MANIP_CNT(mp));
if (error)
@@ -1306,6 +1299,8 @@ xfs_link(
error_return:
xfs_trans_cancel(tp);
std_return:
+ if (error == -ENOSPC && nospace_error)
+ error = nospace_error;
return error;
}
@@ -2755,6 +2750,7 @@ xfs_remove(
xfs_mount_t *mp = dp->i_mount;
xfs_trans_t *tp = NULL;
int is_dir = S_ISDIR(VFS_I(ip)->i_mode);
+ int dontcare;
int error = 0;
uint resblks;
@@ -2772,31 +2768,24 @@ xfs_remove(
goto std_return;
/*
- * We try to get the real space reservation first,
- * allowing for directory btree deletion(s) implying
- * possible bmap insert(s). If we can't get the space
- * reservation then we use 0 instead, and avoid the bmap
- * btree insert(s) in the directory code by, if the bmap
- * insert tries to happen, instead trimming the LAST
- * block from the directory.
+ * We try to get the real space reservation first, allowing for
+ * directory btree deletion(s) implying possible bmap insert(s). If we
+ * can't get the space reservation then we use 0 instead, and avoid the
+ * bmap btree insert(s) in the directory code by, if the bmap insert
+ * tries to happen, instead trimming the LAST block from the directory.
+ *
+ * Ignore EDQUOT and ENOSPC being returned via nospace_error because
+ * the directory code can handle a reservationless update and we don't
+ * want to prevent a user from trying to free space by deleting things.
*/
resblks = XFS_REMOVE_SPACE_RES(mp);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_remove, resblks, 0, 0, &tp);
- if (error == -ENOSPC) {
- resblks = 0;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_remove, 0, 0, 0,
- &tp);
- }
+ error = xfs_trans_alloc_dir(dp, &M_RES(mp)->tr_remove, ip, &resblks,
+ &tp, &dontcare);
if (error) {
ASSERT(error != -ENOSPC);
goto std_return;
}
- xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL);
-
- xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
-
/*
* If we're removing a directory perform some additional validation.
*/
@@ -3109,7 +3098,8 @@ xfs_rename(
bool new_parent = (src_dp != target_dp);
bool src_is_directory = S_ISDIR(VFS_I(src_ip)->i_mode);
int spaceres;
- int error;
+ bool retried = false;
+ int error, nospace_error = 0;
trace_xfs_rename(src_dp, target_dp, src_name, target_name);
@@ -3133,9 +3123,12 @@ xfs_rename(
xfs_sort_for_rename(src_dp, target_dp, src_ip, target_ip, wip,
inodes, &num_inodes);
+retry:
+ nospace_error = 0;
spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len);
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, spaceres, 0, 0, &tp);
if (error == -ENOSPC) {
+ nospace_error = error;
spaceres = 0;
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, 0, 0, 0,
&tp);
@@ -3190,6 +3183,31 @@ xfs_rename(
spaceres);
/*
+ * Try to reserve quota to handle an expansion of the target directory.
+ * We'll allow the rename to continue in reservationless mode if we hit
+ * a space usage constraint. If we trigger reservationless mode, save
+ * the errno if there isn't any free space in the target directory.
+ */
+ if (spaceres != 0) {
+ error = xfs_trans_reserve_quota_nblks(tp, target_dp, spaceres,
+ 0, false);
+ if (error == -EDQUOT || error == -ENOSPC) {
+ if (!retried) {
+ xfs_trans_cancel(tp);
+ xfs_blockgc_free_quota(target_dp, 0);
+ retried = true;
+ goto retry;
+ }
+
+ nospace_error = error;
+ spaceres = 0;
+ error = 0;
+ }
+ if (error)
+ goto out_trans_cancel;
+ }
+
+ /*
* Check for expected errors before we dirty the transaction
* so we can return an error without a transaction abort.
*
@@ -3435,6 +3453,8 @@ out_trans_cancel:
out_release_wip:
if (wip)
xfs_irele(wip);
+ if (error == -ENOSPC && nospace_error)
+ error = nospace_error;
return error;
}
@@ -3659,7 +3679,7 @@ xfs_iflush_cluster(
* AIL, leaving a dirty/unpinned inode attached to the buffer
* that otherwise looks like it should be flushed.
*/
- if (xfs_is_shutdown(mp)) {
+ if (xlog_is_shutdown(mp->m_log)) {
xfs_iunpin_wait(ip);
xfs_iflush_abort(ip);
xfs_iunlock(ip, XFS_ILOCK_SHARED);
@@ -3685,9 +3705,19 @@ xfs_iflush_cluster(
}
if (error) {
+ /*
+ * Shutdown first so we kill the log before we release this
+ * buffer. If it is an INODE_ALLOC buffer and pins the tail
+ * of the log, failing it before the _log_ is shut down can
+ * result in the log tail being moved forward in the journal
+ * on disk because log writes can still be taking place. Hence
+ * unpinning the tail will allow the ICREATE intent to be
+ * removed from the log an recovery will fail with uninitialised
+ * inode cluster buffers.
+ */
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
bp->b_flags |= XBF_ASYNC;
xfs_buf_ioend_fail(bp);
- xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
return error;
}
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index b7e8f14d9fca..740ab13d1aa2 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -402,7 +402,7 @@ enum layout_break_reason {
int xfs_release(struct xfs_inode *ip);
void xfs_inactive(struct xfs_inode *ip);
-int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name,
+int xfs_lookup(struct xfs_inode *dp, const struct xfs_name *name,
struct xfs_inode **ipp, struct xfs_name *ci_name);
int xfs_create(struct user_namespace *mnt_userns,
struct xfs_inode *dp, struct xfs_name *name,
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 90d8e591baf8..11158fa81a09 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -17,6 +17,7 @@
#include "xfs_trans_priv.h"
#include "xfs_buf_item.h"
#include "xfs_log.h"
+#include "xfs_log_priv.h"
#include "xfs_error.h"
#include <linux/iversion.h>
@@ -720,6 +721,17 @@ xfs_iflush_ail_updates(
if (INODE_ITEM(lip)->ili_flush_lsn != lip->li_lsn)
continue;
+ /*
+ * dgc: Not sure how this happens, but it happens very
+ * occassionaly via generic/388. xfs_iflush_abort() also
+ * silently handles this same "under writeback but not in AIL at
+ * shutdown" condition via xfs_trans_ail_delete().
+ */
+ if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) {
+ ASSERT(xlog_is_shutdown(lip->li_log));
+ continue;
+ }
+
lsn = xfs_ail_delete_one(ailp, lip);
if (!tail_lsn && lsn)
tail_lsn = lsn;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 2515fe8299e1..83481005317a 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1189,7 +1189,7 @@ xfs_ioctl_setattr_get_trans(
goto out_error;
error = xfs_trans_alloc_ichange(ip, NULL, NULL, pdqp,
- capable(CAP_FOWNER), &tp);
+ has_capability_noaudit(current, CAP_FOWNER), &tp);
if (error)
goto out_error;
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index b79b3846e71b..b34e8e4344a8 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -613,37 +613,6 @@ xfs_vn_getattr(
return 0;
}
-static void
-xfs_setattr_mode(
- struct xfs_inode *ip,
- struct iattr *iattr)
-{
- struct inode *inode = VFS_I(ip);
- umode_t mode = iattr->ia_mode;
-
- ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
-
- inode->i_mode &= S_IFMT;
- inode->i_mode |= mode & ~S_IFMT;
-}
-
-void
-xfs_setattr_time(
- struct xfs_inode *ip,
- struct iattr *iattr)
-{
- struct inode *inode = VFS_I(ip);
-
- ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
-
- if (iattr->ia_valid & ATTR_ATIME)
- inode->i_atime = iattr->ia_atime;
- if (iattr->ia_valid & ATTR_CTIME)
- inode->i_ctime = iattr->ia_ctime;
- if (iattr->ia_valid & ATTR_MTIME)
- inode->i_mtime = iattr->ia_mtime;
-}
-
static int
xfs_vn_change_ok(
struct user_namespace *mnt_userns,
@@ -678,10 +647,10 @@ xfs_setattr_nonsize(
int mask = iattr->ia_valid;
xfs_trans_t *tp;
int error;
- kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID;
- kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID;
+ kuid_t uid = GLOBAL_ROOT_UID;
+ kgid_t gid = GLOBAL_ROOT_GID;
struct xfs_dquot *udqp = NULL, *gdqp = NULL;
- struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL;
+ struct xfs_dquot *old_udqp = NULL, *old_gdqp = NULL;
ASSERT((mask & ATTR_SIZE) == 0);
@@ -723,66 +692,30 @@ xfs_setattr_nonsize(
}
error = xfs_trans_alloc_ichange(ip, udqp, gdqp, NULL,
- capable(CAP_FOWNER), &tp);
+ has_capability_noaudit(current, CAP_FOWNER), &tp);
if (error)
goto out_dqrele;
/*
- * Change file ownership. Must be the owner or privileged.
+ * Register quota modifications in the transaction. Must be the owner
+ * or privileged. These IDs could have changed since we last looked at
+ * them. But, we're assured that if the ownership did change while we
+ * didn't have the inode locked, inode's dquot(s) would have changed
+ * also.
*/
- if (mask & (ATTR_UID|ATTR_GID)) {
- /*
- * These IDs could have changed since we last looked at them.
- * But, we're assured that if the ownership did change
- * while we didn't have the inode locked, inode's dquot(s)
- * would have changed also.
- */
- iuid = inode->i_uid;
- igid = inode->i_gid;
- gid = (mask & ATTR_GID) ? iattr->ia_gid : igid;
- uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;
-
- /*
- * CAP_FSETID overrides the following restrictions:
- *
- * The set-user-ID and set-group-ID bits of a file will be
- * cleared upon successful return from chown()
- */
- if ((inode->i_mode & (S_ISUID|S_ISGID)) &&
- !capable(CAP_FSETID))
- inode->i_mode &= ~(S_ISUID|S_ISGID);
-
- /*
- * Change the ownerships and register quota modifications
- * in the transaction.
- */
- if (!uid_eq(iuid, uid)) {
- if (XFS_IS_UQUOTA_ON(mp)) {
- ASSERT(mask & ATTR_UID);
- ASSERT(udqp);
- olddquot1 = xfs_qm_vop_chown(tp, ip,
- &ip->i_udquot, udqp);
- }
- inode->i_uid = uid;
- }
- if (!gid_eq(igid, gid)) {
- if (XFS_IS_GQUOTA_ON(mp)) {
- ASSERT(xfs_has_pquotino(mp) ||
- !XFS_IS_PQUOTA_ON(mp));
- ASSERT(mask & ATTR_GID);
- ASSERT(gdqp);
- olddquot2 = xfs_qm_vop_chown(tp, ip,
- &ip->i_gdquot, gdqp);
- }
- inode->i_gid = gid;
- }
+ if ((mask & ATTR_UID) && XFS_IS_UQUOTA_ON(mp) &&
+ !uid_eq(inode->i_uid, iattr->ia_uid)) {
+ ASSERT(udqp);
+ old_udqp = xfs_qm_vop_chown(tp, ip, &ip->i_udquot, udqp);
+ }
+ if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp) &&
+ !gid_eq(inode->i_gid, iattr->ia_gid)) {
+ ASSERT(xfs_has_pquotino(mp) || !XFS_IS_PQUOTA_ON(mp));
+ ASSERT(gdqp);
+ old_gdqp = xfs_qm_vop_chown(tp, ip, &ip->i_gdquot, gdqp);
}
- if (mask & ATTR_MODE)
- xfs_setattr_mode(ip, iattr);
- if (mask & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
- xfs_setattr_time(ip, iattr);
-
+ setattr_copy(mnt_userns, inode, iattr);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
XFS_STATS_INC(mp, xs_ig_attrchg);
@@ -794,8 +727,8 @@ xfs_setattr_nonsize(
/*
* Release any dquot(s) the inode had kept before chown.
*/
- xfs_qm_dqrele(olddquot1);
- xfs_qm_dqrele(olddquot2);
+ xfs_qm_dqrele(old_udqp);
+ xfs_qm_dqrele(old_gdqp);
xfs_qm_dqrele(udqp);
xfs_qm_dqrele(gdqp);
@@ -1006,11 +939,8 @@ xfs_setattr_size(
xfs_inode_clear_eofblocks_tag(ip);
}
- if (iattr->ia_valid & ATTR_MODE)
- xfs_setattr_mode(ip, iattr);
- if (iattr->ia_valid & (ATTR_ATIME|ATTR_CTIME|ATTR_MTIME))
- xfs_setattr_time(ip, iattr);
-
+ ASSERT(!(iattr->ia_valid & (ATTR_UID | ATTR_GID)));
+ setattr_copy(mnt_userns, inode, iattr);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
XFS_STATS_INC(mp, xs_ig_attrchg);
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 16f9edbda4eb..a8034c0afdf2 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -812,10 +812,9 @@ xfs_log_mount_finish(
* mount failure occurs.
*/
mp->m_super->s_flags |= SB_ACTIVE;
+ xfs_log_work_queue(mp);
if (xlog_recovery_needed(log))
error = xlog_recover_finish(log);
- if (!error)
- xfs_log_work_queue(mp);
mp->m_super->s_flags &= ~SB_ACTIVE;
evict_inodes(mp->m_super);
@@ -1102,7 +1101,7 @@ xfs_log_item_init(
int type,
const struct xfs_item_ops *ops)
{
- item->li_mountp = mp;
+ item->li_log = mp->m_log;
item->li_ailp = mp->m_ail;
item->li_type = type;
item->li_ops = ops;
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 83a039762b81..796e4464f809 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -1243,18 +1243,27 @@ xlog_cil_push_now(
if (!async)
flush_workqueue(cil->xc_push_wq);
+ spin_lock(&cil->xc_push_lock);
+
+ /*
+ * If this is an async flush request, we always need to set the
+ * xc_push_commit_stable flag even if something else has already queued
+ * a push. The flush caller is asking for the CIL to be on stable
+ * storage when the next push completes, so regardless of who has queued
+ * the push, the flush requires stable semantics from it.
+ */
+ cil->xc_push_commit_stable = async;
+
/*
* If the CIL is empty or we've already pushed the sequence then
- * there's no work we need to do.
+ * there's no more work that we need to do.
*/
- spin_lock(&cil->xc_push_lock);
if (list_empty(&cil->xc_cil) || push_seq <= cil->xc_push_seq) {
spin_unlock(&cil->xc_push_lock);
return;
}
cil->xc_push_seq = push_seq;
- cil->xc_push_commit_stable = async;
queue_work(cil->xc_push_wq, &cil->xc_ctx->push_work);
spin_unlock(&cil->xc_push_lock);
}
@@ -1352,6 +1361,13 @@ xlog_cil_flush(
trace_xfs_log_force(log->l_mp, seq, _RET_IP_);
xlog_cil_push_now(log, seq, true);
+
+ /*
+ * If the CIL is empty, make sure that any previous checkpoint that may
+ * still be in an active iclog is pushed to stable storage.
+ */
+ if (list_empty(&log->l_cilp->xc_cil))
+ xfs_log_force(log->l_mp, 0);
}
/*
@@ -1468,7 +1484,7 @@ bool
xfs_log_item_in_current_chkpt(
struct xfs_log_item *lip)
{
- struct xfs_cil *cil = lip->li_mountp->m_log->l_cilp;
+ struct xfs_cil *cil = lip->li_log->l_cilp;
if (list_empty(&lip->li_cil))
return false;
diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c
index 4abe17312c2b..37a24f0f7cd4 100644
--- a/fs/xfs/xfs_pnfs.c
+++ b/fs/xfs/xfs_pnfs.c
@@ -319,7 +319,8 @@ xfs_fs_commit_blocks(
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
- xfs_setattr_time(ip, iattr);
+ ASSERT(!(iattr->ia_valid & (ATTR_UID | ATTR_GID)));
+ setattr_copy(&init_user_ns, inode, iattr);
if (update_isize) {
i_size_write(inode, iattr->ia_size);
ip->i_disk_size = iattr->ia_size;
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 32ac8d9c8940..f165d1a3de1d 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -25,6 +25,7 @@
#include "xfs_error.h"
#include "xfs_ag.h"
#include "xfs_ialloc.h"
+#include "xfs_log_priv.h"
/*
* The global quota manager. There is only one of these for the entire
@@ -121,8 +122,7 @@ xfs_qm_dqpurge(
struct xfs_dquot *dqp,
void *data)
{
- struct xfs_mount *mp = dqp->q_mount;
- struct xfs_quotainfo *qi = mp->m_quotainfo;
+ struct xfs_quotainfo *qi = dqp->q_mount->m_quotainfo;
int error = -EAGAIN;
xfs_dqlock(dqp);
@@ -157,7 +157,7 @@ xfs_qm_dqpurge(
}
ASSERT(atomic_read(&dqp->q_pincount) == 0);
- ASSERT(xfs_is_shutdown(mp) ||
+ ASSERT(xlog_is_shutdown(dqp->q_logitem.qli_item.li_log) ||
!test_bit(XFS_LI_IN_AIL, &dqp->q_logitem.qli_item.li_flags));
xfs_dqfunlock(dqp);
@@ -172,7 +172,7 @@ xfs_qm_dqpurge(
*/
ASSERT(!list_empty(&dqp->q_lru));
list_lru_del(&qi->qi_lru, &dqp->q_lru);
- XFS_STATS_DEC(mp, xs_qm_dquot_unused);
+ XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused);
xfs_qm_dqdestroy(dqp);
return 0;
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index d3da67772d57..0d868c93144d 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -457,7 +457,7 @@ xfs_cui_item_recover(
struct xfs_cud_log_item *cudp;
struct xfs_trans *tp;
struct xfs_btree_cur *rcur = NULL;
- struct xfs_mount *mp = lip->li_mountp;
+ struct xfs_mount *mp = lip->li_log->l_mp;
xfs_fsblock_t new_fsb;
xfs_extlen_t new_len;
unsigned int refc_type;
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index db70060e7bf6..54e68e5693fd 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -425,7 +425,10 @@ convert:
if (!convert_now || cmap->br_state == XFS_EXT_NORM)
return 0;
trace_xfs_reflink_convert_cow(ip, cmap);
- return xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);
+ error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);
+ if (!error)
+ cmap->br_state = XFS_EXT_NORM;
+ return error;
out_trans_cancel:
xfs_trans_cancel(tp);
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index c3966b4c58ef..a22b2d19ef91 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -510,7 +510,7 @@ xfs_rui_item_recover(
struct xfs_rud_log_item *rudp;
struct xfs_trans *tp;
struct xfs_btree_cur *rcur = NULL;
- struct xfs_mount *mp = lip->li_mountp;
+ struct xfs_mount *mp = lip->li_log->l_mp;
enum xfs_rmap_intent_type type;
xfs_exntst_t state;
int i;
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 4a8076ef8cb4..b141ef78c755 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -933,7 +933,7 @@ DEFINE_IREF_EVENT(xfs_inode_unpin);
DEFINE_IREF_EVENT(xfs_inode_unpin_nowait);
DECLARE_EVENT_CLASS(xfs_namespace_class,
- TP_PROTO(struct xfs_inode *dp, struct xfs_name *name),
+ TP_PROTO(struct xfs_inode *dp, const struct xfs_name *name),
TP_ARGS(dp, name),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -956,7 +956,7 @@ DECLARE_EVENT_CLASS(xfs_namespace_class,
#define DEFINE_NAMESPACE_EVENT(name) \
DEFINE_EVENT(xfs_namespace_class, name, \
- TP_PROTO(struct xfs_inode *dp, struct xfs_name *name), \
+ TP_PROTO(struct xfs_inode *dp, const struct xfs_name *name), \
TP_ARGS(dp, name))
DEFINE_NAMESPACE_EVENT(xfs_remove);
DEFINE_NAMESPACE_EVENT(xfs_link);
@@ -1308,7 +1308,7 @@ DECLARE_EVENT_CLASS(xfs_log_item_class,
__field(xfs_lsn_t, lsn)
),
TP_fast_assign(
- __entry->dev = lip->li_mountp->m_super->s_dev;
+ __entry->dev = lip->li_log->l_mp->m_super->s_dev;
__entry->lip = lip;
__entry->type = lip->li_type;
__entry->flags = lip->li_flags;
@@ -1361,7 +1361,7 @@ DECLARE_EVENT_CLASS(xfs_ail_class,
__field(xfs_lsn_t, new_lsn)
),
TP_fast_assign(
- __entry->dev = lip->li_mountp->m_super->s_dev;
+ __entry->dev = lip->li_log->l_mp->m_super->s_dev;
__entry->lip = lip;
__entry->type = lip->li_type;
__entry->flags = lip->li_flags;
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 59e2f9031b9f..917a69f0a6ff 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -648,7 +648,7 @@ xfs_trans_add_item(
struct xfs_trans *tp,
struct xfs_log_item *lip)
{
- ASSERT(lip->li_mountp == tp->t_mountp);
+ ASSERT(lip->li_log == tp->t_mountp->m_log);
ASSERT(lip->li_ailp == tp->t_mountp->m_ail);
ASSERT(list_empty(&lip->li_trans));
ASSERT(!test_bit(XFS_LI_DIRTY, &lip->li_flags));
@@ -775,7 +775,7 @@ xfs_trans_committed_bulk(
* object into the AIL as we are in a shutdown situation.
*/
if (aborted) {
- ASSERT(xfs_is_shutdown(ailp->ail_mount));
+ ASSERT(xlog_is_shutdown(ailp->ail_log));
if (lip->li_ops->iop_unpin)
lip->li_ops->iop_unpin(lip, 1);
continue;
@@ -1210,3 +1210,89 @@ out_cancel:
xfs_trans_cancel(tp);
return error;
}
+
+/*
+ * Allocate an transaction, lock and join the directory and child inodes to it,
+ * and reserve quota for a directory update. If there isn't sufficient space,
+ * @dblocks will be set to zero for a reservationless directory update and
+ * @nospace_error will be set to a negative errno describing the space
+ * constraint we hit.
+ *
+ * The caller must ensure that the on-disk dquots attached to this inode have
+ * already been allocated and initialized. The ILOCKs will be dropped when the
+ * transaction is committed or cancelled.
+ */
+int
+xfs_trans_alloc_dir(
+ struct xfs_inode *dp,
+ struct xfs_trans_res *resv,
+ struct xfs_inode *ip,
+ unsigned int *dblocks,
+ struct xfs_trans **tpp,
+ int *nospace_error)
+{
+ struct xfs_trans *tp;
+ struct xfs_mount *mp = ip->i_mount;
+ unsigned int resblks;
+ bool retried = false;
+ int error;
+
+retry:
+ *nospace_error = 0;
+ resblks = *dblocks;
+ error = xfs_trans_alloc(mp, resv, resblks, 0, 0, &tp);
+ if (error == -ENOSPC) {
+ *nospace_error = error;
+ resblks = 0;
+ error = xfs_trans_alloc(mp, resv, resblks, 0, 0, &tp);
+ }
+ if (error)
+ return error;
+
+ xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL);
+
+ xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+
+ error = xfs_qm_dqattach_locked(dp, false);
+ if (error) {
+ /* Caller should have allocated the dquots! */
+ ASSERT(error != -ENOENT);
+ goto out_cancel;
+ }
+
+ error = xfs_qm_dqattach_locked(ip, false);
+ if (error) {
+ /* Caller should have allocated the dquots! */
+ ASSERT(error != -ENOENT);
+ goto out_cancel;
+ }
+
+ if (resblks == 0)
+ goto done;
+
+ error = xfs_trans_reserve_quota_nblks(tp, dp, resblks, 0, false);
+ if (error == -EDQUOT || error == -ENOSPC) {
+ if (!retried) {
+ xfs_trans_cancel(tp);
+ xfs_blockgc_free_quota(dp, 0);
+ retried = true;
+ goto retry;
+ }
+
+ *nospace_error = error;
+ resblks = 0;
+ error = 0;
+ }
+ if (error)
+ goto out_cancel;
+
+done:
+ *tpp = tp;
+ *dblocks = resblks;
+ return 0;
+
+out_cancel:
+ xfs_trans_cancel(tp);
+ return error;
+}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index a487b264a9eb..de177842b951 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -8,6 +8,7 @@
/* kernel only transaction subsystem defines */
+struct xlog;
struct xfs_buf;
struct xfs_buftarg;
struct xfs_efd_log_item;
@@ -31,7 +32,7 @@ struct xfs_log_item {
struct list_head li_ail; /* AIL pointers */
struct list_head li_trans; /* transaction list */
xfs_lsn_t li_lsn; /* last on-disk lsn */
- struct xfs_mount *li_mountp; /* ptr to fs mount */
+ struct xlog *li_log;
struct xfs_ail *li_ailp; /* ptr to AIL */
uint li_type; /* item type */
unsigned long li_flags; /* misc flags */
@@ -259,6 +260,9 @@ int xfs_trans_alloc_icreate(struct xfs_mount *mp, struct xfs_trans_res *resv,
int xfs_trans_alloc_ichange(struct xfs_inode *ip, struct xfs_dquot *udqp,
struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, bool force,
struct xfs_trans **tpp);
+int xfs_trans_alloc_dir(struct xfs_inode *dp, struct xfs_trans_res *resv,
+ struct xfs_inode *ip, unsigned int *dblocks,
+ struct xfs_trans **tpp, int *nospace_error);
static inline void
xfs_trans_set_context(
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 2a8c8dc54c95..c2ccb98c7bcd 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -398,7 +398,7 @@ xfsaild_push_item(
* If log item pinning is enabled, skip the push and track the item as
* pinned. This can help induce head-behind-tail conditions.
*/
- if (XFS_TEST_ERROR(false, ailp->ail_mount, XFS_ERRTAG_LOG_ITEM_PIN))
+ if (XFS_TEST_ERROR(false, ailp->ail_log->l_mp, XFS_ERRTAG_LOG_ITEM_PIN))
return XFS_ITEM_PINNED;
/*
@@ -418,7 +418,7 @@ static long
xfsaild_push(
struct xfs_ail *ailp)
{
- xfs_mount_t *mp = ailp->ail_mount;
+ struct xfs_mount *mp = ailp->ail_log->l_mp;
struct xfs_ail_cursor cur;
struct xfs_log_item *lip;
xfs_lsn_t lsn;
@@ -443,15 +443,27 @@ xfsaild_push(
ailp->ail_log_flush = 0;
XFS_STATS_INC(mp, xs_push_ail_flush);
- xlog_cil_flush(mp->m_log);
+ xlog_cil_flush(ailp->ail_log);
}
spin_lock(&ailp->ail_lock);
- /* barrier matches the ail_target update in xfs_ail_push() */
- smp_rmb();
- target = ailp->ail_target;
- ailp->ail_target_prev = target;
+ /*
+ * If we have a sync push waiter, we always have to push till the AIL is
+ * empty. Update the target to point to the end of the AIL so that
+ * capture updates that occur after the sync push waiter has gone to
+ * sleep.
+ */
+ if (waitqueue_active(&ailp->ail_empty)) {
+ lip = xfs_ail_max(ailp);
+ if (lip)
+ target = lip->li_lsn;
+ } else {
+ /* barrier matches the ail_target update in xfs_ail_push() */
+ smp_rmb();
+ target = ailp->ail_target;
+ ailp->ail_target_prev = target;
+ }
/* we're done if the AIL is empty or our push has reached the end */
lip = xfs_trans_ail_cursor_first(ailp, &cur, ailp->ail_last_pushed_lsn);
@@ -620,7 +632,7 @@ xfsaild(
* opportunity to release such buffers from the queue.
*/
ASSERT(list_empty(&ailp->ail_buf_list) ||
- xfs_is_shutdown(ailp->ail_mount));
+ xlog_is_shutdown(ailp->ail_log));
xfs_buf_delwri_cancel(&ailp->ail_buf_list);
break;
}
@@ -683,7 +695,7 @@ xfs_ail_push(
struct xfs_log_item *lip;
lip = xfs_ail_min(ailp);
- if (!lip || xfs_is_shutdown(ailp->ail_mount) ||
+ if (!lip || xlog_is_shutdown(ailp->ail_log) ||
XFS_LSN_CMP(threshold_lsn, ailp->ail_target) <= 0)
return;
@@ -724,7 +736,6 @@ xfs_ail_push_all_sync(
spin_lock(&ailp->ail_lock);
while ((lip = xfs_ail_max(ailp)) != NULL) {
prepare_to_wait(&ailp->ail_empty, &wait, TASK_UNINTERRUPTIBLE);
- ailp->ail_target = lip->li_lsn;
wake_up_process(ailp->ail_task);
spin_unlock(&ailp->ail_lock);
schedule();
@@ -740,7 +751,7 @@ xfs_ail_update_finish(
struct xfs_ail *ailp,
xfs_lsn_t old_lsn) __releases(ailp->ail_lock)
{
- struct xfs_mount *mp = ailp->ail_mount;
+ struct xlog *log = ailp->ail_log;
/* if the tail lsn hasn't changed, don't do updates or wakeups. */
if (!old_lsn || old_lsn == __xfs_ail_min_lsn(ailp)) {
@@ -748,13 +759,13 @@ xfs_ail_update_finish(
return;
}
- if (!xfs_is_shutdown(mp))
- xlog_assign_tail_lsn_locked(mp);
+ if (!xlog_is_shutdown(log))
+ xlog_assign_tail_lsn_locked(log->l_mp);
if (list_empty(&ailp->ail_head))
wake_up_all(&ailp->ail_empty);
spin_unlock(&ailp->ail_lock);
- xfs_log_space_wake(mp);
+ xfs_log_space_wake(log->l_mp);
}
/*
@@ -862,13 +873,13 @@ xfs_trans_ail_delete(
int shutdown_type)
{
struct xfs_ail *ailp = lip->li_ailp;
- struct xfs_mount *mp = ailp->ail_mount;
+ struct xfs_mount *mp = ailp->ail_log->l_mp;
xfs_lsn_t tail_lsn;
spin_lock(&ailp->ail_lock);
if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) {
spin_unlock(&ailp->ail_lock);
- if (shutdown_type && !xfs_is_shutdown(mp)) {
+ if (shutdown_type && !xlog_is_shutdown(ailp->ail_log)) {
xfs_alert_tag(mp, XFS_PTAG_AILDELETE,
"%s: attempting to delete a log item that is not in the AIL",
__func__);
@@ -893,7 +904,7 @@ xfs_trans_ail_init(
if (!ailp)
return -ENOMEM;
- ailp->ail_mount = mp;
+ ailp->ail_log = mp->m_log;
INIT_LIST_HEAD(&ailp->ail_head);
INIT_LIST_HEAD(&ailp->ail_cursors);
spin_lock_init(&ailp->ail_lock);
@@ -901,7 +912,7 @@ xfs_trans_ail_init(
init_waitqueue_head(&ailp->ail_empty);
ailp->ail_task = kthread_run(xfsaild, ailp, "xfsaild/%s",
- ailp->ail_mount->m_super->s_id);
+ mp->m_super->s_id);
if (IS_ERR(ailp->ail_task))
goto out_free_ailp;
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 3004aeac9110..f0d79a9050ba 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -6,6 +6,7 @@
#ifndef __XFS_TRANS_PRIV_H__
#define __XFS_TRANS_PRIV_H__
+struct xlog;
struct xfs_log_item;
struct xfs_mount;
struct xfs_trans;
@@ -50,7 +51,7 @@ struct xfs_ail_cursor {
* Eventually we need to drive the locking in here as well.
*/
struct xfs_ail {
- struct xfs_mount *ail_mount;
+ struct xlog *ail_log;
struct task_struct *ail_task;
struct list_head ail_head;
xfs_lsn_t ail_target;
diff --git a/kernel/capability.c b/kernel/capability.c
index 46a361dde042..765194f5d678 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -360,6 +360,7 @@ bool has_capability_noaudit(struct task_struct *t, int cap)
{
return has_ns_capability_noaudit(t, &init_user_ns, cap);
}
+EXPORT_SYMBOL(has_capability_noaudit);
static bool ns_capable_common(struct user_namespace *ns,
int cap,
generated by cgit (git 2.34.1) at 2024-05-28 03:26:27 +0000