diff options
Diffstat (limited to 'fs/nilfs2/cpfile.c')
| -rw-r--r-- | fs/nilfs2/cpfile.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c index 50dff147744..218b3441850 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) |