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Diffstat (limited to 'fs/ocfs2/dir.c')
-rw-r--r--fs/ocfs2/dir.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 04e01915b86..baad2aa27c1 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -82,6 +82,7 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
struct inode *inode = filp->f_dentry->d_inode;
struct super_block * sb = inode->i_sb;
unsigned int ra_sectors = 16;
+ int lock_level = 0;
mlog_entry("dirino=%llu\n",
(unsigned long long)OCFS2_I(inode)->ip_blkno);
@@ -89,7 +90,15 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
stored = 0;
bh = NULL;
- error = ocfs2_meta_lock(inode, NULL, NULL, 0);
+ error = ocfs2_meta_lock_atime(inode, filp->f_vfsmnt, &lock_level);
+ if (lock_level && error >= 0) {
+ /* We release EX lock which used to update atime
+ * and get PR lock again to reduce contention
+ * on commonly accessed directories. */
+ ocfs2_meta_unlock(inode, 1);
+ lock_level = 0;
+ error = ocfs2_meta_lock(inode, NULL, 0);
+ }
if (error < 0) {
if (error != -ENOENT)
mlog_errno(error);
@@ -198,7 +207,7 @@ revalidate:
stored = 0;
bail:
- ocfs2_meta_unlock(inode, 0);
+ ocfs2_meta_unlock(inode, lock_level);
bail_nolock:
mlog_exit(stored);
@@ -340,7 +349,7 @@ int ocfs2_empty_dir(struct inode *inode)
/* returns a bh of the 1st new block in the allocation. */
int ocfs2_do_extend_dir(struct super_block *sb,
- struct ocfs2_journal_handle *handle,
+ handle_t *handle,
struct inode *dir,
struct buffer_head *parent_fe_bh,
struct ocfs2_alloc_context *data_ac,
@@ -398,7 +407,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
struct ocfs2_dinode *fe = (struct ocfs2_dinode *) parent_fe_bh->b_data;
struct ocfs2_alloc_context *data_ac = NULL;
struct ocfs2_alloc_context *meta_ac = NULL;
- struct ocfs2_journal_handle *handle = NULL;
+ handle_t *handle = NULL;
struct buffer_head *new_bh = NULL;
struct ocfs2_dir_entry * de;
struct super_block *sb = osb->sb;
@@ -409,13 +418,6 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
mlog(0, "extending dir %llu (i_size = %lld)\n",
(unsigned long long)OCFS2_I(dir)->ip_blkno, dir_i_size);
- handle = ocfs2_alloc_handle(osb);
- if (handle == NULL) {
- status = -ENOMEM;
- mlog_errno(status);
- goto bail;
- }
-
/* dir->i_size is always block aligned. */
spin_lock(&OCFS2_I(dir)->ip_lock);
if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) {
@@ -428,8 +430,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
}
if (!num_free_extents) {
- status = ocfs2_reserve_new_metadata(osb, handle,
- fe, &meta_ac);
+ status = ocfs2_reserve_new_metadata(osb, fe, &meta_ac);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
@@ -437,7 +438,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
}
}
- status = ocfs2_reserve_clusters(osb, handle, 1, &data_ac);
+ status = ocfs2_reserve_clusters(osb, 1, &data_ac);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
@@ -450,7 +451,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
credits = OCFS2_SIMPLE_DIR_EXTEND_CREDITS;
}
- handle = ocfs2_start_trans(osb, handle, credits);
+ handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@@ -496,7 +497,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb,
get_bh(*new_de_bh);
bail:
if (handle)
- ocfs2_commit_trans(handle);
+ ocfs2_commit_trans(osb, handle);
if (data_ac)
ocfs2_free_alloc_context(data_ac);