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-rw-r--r--fs/nilfs2/cpfile.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index 50dff147744f..218b34418508 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -382,13 +382,13 @@ static void nilfs_cpfile_checkpoint_to_cpinfo(struct inode *cpfile,
ci->ci_next = le64_to_cpu(cp->cp_snapshot_list.ssl_next);
}
-static ssize_t nilfs_cpfile_do_get_cpinfo(struct inode *cpfile, __u64 cno,
+static ssize_t nilfs_cpfile_do_get_cpinfo(struct inode *cpfile, __u64 *cnop,
struct nilfs_cpinfo *ci, size_t nci)
{
struct nilfs_checkpoint *cp;
struct buffer_head *bh;
size_t cpsz = NILFS_MDT(cpfile)->mi_entry_size;
- __u64 cur_cno = nilfs_mdt_cno(cpfile);
+ __u64 cur_cno = nilfs_mdt_cno(cpfile), cno = *cnop;
void *kaddr;
int n, ret;
int ncps, i;
@@ -416,6 +416,8 @@ static ssize_t nilfs_cpfile_do_get_cpinfo(struct inode *cpfile, __u64 cno,
}
ret = n;
+ if (n > 0)
+ *cnop = ci[n - 1].ci_cno + 1;
out:
up_read(&NILFS_MDT(cpfile)->mi_sem);
@@ -510,7 +512,7 @@ ssize_t nilfs_cpfile_get_cpinfo(struct inode *cpfile, __u64 *cnop, int mode,
{
switch (mode) {
case NILFS_CHECKPOINT:
- return nilfs_cpfile_do_get_cpinfo(cpfile, *cnop, ci, nci);
+ return nilfs_cpfile_do_get_cpinfo(cpfile, cnop, ci, nci);
case NILFS_SNAPSHOT:
return nilfs_cpfile_do_get_ssinfo(cpfile, cnop, ci, nci);
default:
@@ -526,13 +528,14 @@ ssize_t nilfs_cpfile_get_cpinfo(struct inode *cpfile, __u64 *cnop, int mode,
int nilfs_cpfile_delete_checkpoint(struct inode *cpfile, __u64 cno)
{
struct nilfs_cpinfo ci;
+ __u64 tcno = cno;
ssize_t nci;
int ret;
/* checkpoint number 0 is invalid */
if (cno == 0)
return -ENOENT;
- nci = nilfs_cpfile_do_get_cpinfo(cpfile, cno, &ci, 1);
+ nci = nilfs_cpfile_do_get_cpinfo(cpfile, &tcno, &ci, 1);
if (nci < 0)
return nci;
else if (nci == 0 || ci.ci_cno != cno)