From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Hide the incore inode walk interface because callers outside of the
icache code don't need to know about iter_flags and radix tags and other
implementation details of the incore inode cache.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/xfs_icache.c | 30 ++++++++++++++++++++++--------
fs/xfs/xfs_icache.h | 8 ++++----
fs/xfs/xfs_qm_syscalls.c | 3 +--
3 files changed, 27 insertions(+), 14 deletions(-)
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index d74f426a0293..03d7624fa97e 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -748,7 +748,7 @@ xfs_inode_ag_walk_grab(
int flags)
{
struct inode *inode = VFS_I(ip);
- bool newinos = !!(flags & XFS_AGITER_INEW_WAIT);
+ bool newinos = !!(flags & XFS_ICI_WALK_INEW_WAIT);
ASSERT(rcu_read_lock_held());
@@ -792,7 +792,7 @@ xfs_inode_ag_walk_grab(
* inodes with the given radix tree @tag.
*/
STATIC int
-xfs_inode_ag_walk(
+xfs_ici_walk_ag(
struct xfs_mount *mp,
struct xfs_perag *pag,
int (*execute)(struct xfs_inode *ip, void *args),
@@ -868,7 +868,7 @@ xfs_inode_ag_walk(
for (i = 0; i < nr_found; i++) {
if (!batch[i])
continue;
- if ((iter_flags & XFS_AGITER_INEW_WAIT) &&
+ if ((iter_flags & XFS_ICI_WALK_INEW_WAIT) &&
xfs_iflags_test(batch[i], XFS_INEW))
xfs_inew_wait(batch[i]);
error = execute(batch[i], args);
@@ -912,8 +912,8 @@ xfs_ici_walk_get_perag(
* Call the @execute function on all incore inodes matching the radix tree
* @tag.
*/
-int
-xfs_inode_ag_iterator(
+STATIC int
+xfs_ici_walk(
struct xfs_mount *mp,
int iter_flags,
int (*execute)(struct xfs_inode *ip, void *args),
@@ -928,7 +928,7 @@ xfs_inode_ag_iterator(
ag = 0;
while ((pag = xfs_ici_walk_get_perag(mp, ag, tag))) {
ag = pag->pag_agno + 1;
- error = xfs_inode_ag_walk(mp, pag, execute, args, tag,
+ error = xfs_ici_walk_ag(mp, pag, execute, args, tag,
iter_flags);
xfs_perag_put(pag);
if (error) {
@@ -940,6 +940,20 @@ xfs_inode_ag_iterator(
return last_error;
}
+/*
+ * Walk all incore inodes in the filesystem. Knowledge of radix tree tags
+ * is hidden and we always wait for INEW inodes.
+ */
+int
+xfs_ici_walk_all(
+ struct xfs_mount *mp,
+ int (*execute)(struct xfs_inode *ip, void *args),
+ void *args)
+{
+ return xfs_ici_walk(mp, XFS_ICI_WALK_INEW_WAIT, execute, args,
+ XFS_ICI_NO_TAG);
+}
+
/*
* Background scanning to trim post-EOF preallocated space. This is queued
* based on the 'speculative_prealloc_lifetime' tunable (5m by default).
@@ -1510,7 +1524,7 @@ xfs_icache_free_eofblocks(
struct xfs_mount *mp,
struct xfs_eofblocks *eofb)
{
- return xfs_inode_ag_iterator(mp, 0, xfs_inode_free_eofblocks, eofb,
+ return xfs_ici_walk(mp, 0, xfs_inode_free_eofblocks, eofb,
XFS_ICI_EOFBLOCKS_TAG);
}
@@ -1760,7 +1774,7 @@ xfs_icache_free_cowblocks(
struct xfs_mount *mp,
struct xfs_eofblocks *eofb)
{
- return xfs_inode_ag_iterator(mp, 0, xfs_inode_free_cowblocks, eofb,
+ return xfs_ici_walk(mp, 0, xfs_inode_free_cowblocks, eofb,
XFS_ICI_COWBLOCKS_TAG);
}
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index e7f86ebd7b22..0dc85a03dc6c 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -38,9 +38,9 @@ struct xfs_eofblocks {
#define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */
/*
- * flags for AG inode iterator
+ * flags for incore inode iterator
*/
-#define XFS_AGITER_INEW_WAIT 0x1 /* wait on new inodes */
+#define XFS_ICI_WALK_INEW_WAIT 0x1 /* wait on new inodes */
int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
uint flags, uint lock_flags, xfs_inode_t **ipp);
@@ -71,9 +71,9 @@ int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
void xfs_cowblocks_worker(struct work_struct *);
void xfs_queue_cowblocks(struct xfs_mount *);
-int xfs_inode_ag_iterator(struct xfs_mount *mp, int iter_flags,
+int xfs_ici_walk_all(struct xfs_mount *mp,
int (*execute)(struct xfs_inode *ip, void *args),
- void *args, int tag);
+ void *args);
int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_ino_t ino, bool *inuse);
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 3cb8274ce0d9..c339b7404cf3 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -780,6 +780,5 @@ xfs_qm_dqrele_all_inodes(
};
ASSERT(mp->m_quotainfo);
- xfs_inode_ag_iterator(mp, XFS_AGITER_INEW_WAIT, xfs_dqrele_inode, &dqr,
- XFS_ICI_NO_TAG);
+ xfs_ici_walk_all(mp, xfs_dqrele_inode, &dqr);
}
