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path: root/fs/ocfs2/namei.c
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Diffstat (limited to 'fs/ocfs2/namei.c')
-rw-r--r--fs/ocfs2/namei.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 849c3b4bb94a..259155f0eb2e 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -429,7 +429,7 @@ static int ocfs2_mknod(struct inode *dir,
mlog_errno(status);
goto leave;
}
- dir->i_nlink++;
+ inc_nlink(dir);
}
status = ocfs2_add_entry(handle, dentry, inode,
@@ -730,7 +730,7 @@ static int ocfs2_link(struct dentry *old_dentry,
goto bail;
}
- inode->i_nlink++;
+ inc_nlink(inode);
inode->i_ctime = CURRENT_TIME;
fe->i_links_count = cpu_to_le16(inode->i_nlink);
fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
@@ -739,7 +739,7 @@ static int ocfs2_link(struct dentry *old_dentry,
err = ocfs2_journal_dirty(handle, fe_bh);
if (err < 0) {
le16_add_cpu(&fe->i_links_count, -1);
- inode->i_nlink--;
+ drop_nlink(inode);
mlog_errno(err);
goto bail;
}
@@ -749,7 +749,7 @@ static int ocfs2_link(struct dentry *old_dentry,
parent_fe_bh, de_bh);
if (err) {
le16_add_cpu(&fe->i_links_count, -1);
- inode->i_nlink--;
+ drop_nlink(inode);
mlog_errno(err);
goto bail;
}
@@ -795,11 +795,23 @@ static int ocfs2_remote_dentry_delete(struct dentry *dentry)
return ret;
}
+static inline int inode_is_unlinkable(struct inode *inode)
+{
+ if (S_ISDIR(inode->i_mode)) {
+ if (inode->i_nlink == 2)
+ return 1;
+ return 0;
+ }
+
+ if (inode->i_nlink == 1)
+ return 1;
+ return 0;
+}
+
static int ocfs2_unlink(struct inode *dir,
struct dentry *dentry)
{
int status;
- unsigned int saved_nlink = 0;
struct inode *inode = dentry->d_inode;
struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
u64 blkno;
@@ -874,16 +886,6 @@ static int ocfs2_unlink(struct inode *dir,
}
}
- /* There are still a few steps left until we can consider the
- * unlink to have succeeded. Save off nlink here before
- * modification so we can set it back in case we hit an issue
- * before commit. */
- saved_nlink = inode->i_nlink;
- if (S_ISDIR(inode->i_mode))
- inode->i_nlink = 0;
- else
- inode->i_nlink--;
-
status = ocfs2_remote_dentry_delete(dentry);
if (status < 0) {
/* This vote should succeed under all normal
@@ -892,7 +894,7 @@ static int ocfs2_unlink(struct inode *dir,
goto leave;
}
- if (!inode->i_nlink) {
+ if (inode_is_unlinkable(inode)) {
status = ocfs2_prepare_orphan_dir(osb, handle, inode,
orphan_name,
&orphan_entry_bh);
@@ -919,7 +921,7 @@ static int ocfs2_unlink(struct inode *dir,
fe = (struct ocfs2_dinode *) fe_bh->b_data;
- if (!inode->i_nlink) {
+ if (inode_is_unlinkable(inode)) {
status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name,
orphan_entry_bh);
if (status < 0) {
@@ -935,10 +937,10 @@ static int ocfs2_unlink(struct inode *dir,
goto leave;
}
- /* We can set nlink on the dinode now. clear the saved version
- * so that it doesn't get set later. */
+ if (S_ISDIR(inode->i_mode))
+ drop_nlink(inode);
+ drop_nlink(inode);
fe->i_links_count = cpu_to_le16(inode->i_nlink);
- saved_nlink = 0;
status = ocfs2_journal_dirty(handle, fe_bh);
if (status < 0) {
@@ -947,19 +949,16 @@ static int ocfs2_unlink(struct inode *dir,
}
if (S_ISDIR(inode->i_mode)) {
- dir->i_nlink--;
+ drop_nlink(dir);
status = ocfs2_mark_inode_dirty(handle, dir,
parent_node_bh);
if (status < 0) {
mlog_errno(status);
- dir->i_nlink++;
+ inc_nlink(dir);
}
}
leave:
- if (status < 0 && saved_nlink)
- inode->i_nlink = saved_nlink;
-
if (handle)
ocfs2_commit_trans(handle);
@@ -1382,7 +1381,7 @@ static int ocfs2_rename(struct inode *old_dir,
if (new_inode) {
new_inode->i_nlink--;
} else {
- new_dir->i_nlink++;
+ inc_nlink(new_dir);
mark_inode_dirty(new_dir);
}
}