diff options
Diffstat (limited to 'fs/ubifs/tnc_misc.c')
| -rw-r--r-- | fs/ubifs/tnc_misc.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c index 4d686e34e64d9..d3f8a6aa1f49d 100644 --- a/fs/ubifs/tnc_misc.c +++ b/fs/ubifs/tnc_misc.c @@ -251,6 +251,28 @@ long ubifs_destroy_tnc_subtree(const struct ubifs_info *c, } /** + * ubifs_destroy_tnc_tree - destroy all znodes connected to the TNC tree. + * @c: UBIFS file-system description object + * + * This function destroys the whole TNC tree and updates clean global znode + * count. + */ +void ubifs_destroy_tnc_tree(struct ubifs_info *c) +{ + long n, freed; + + if (!c->zroot.znode) + return; + + n = atomic_long_read(&c->clean_zn_cnt); + freed = ubifs_destroy_tnc_subtree(c, c->zroot.znode); + ubifs_assert(c, freed == n); + atomic_long_sub(n, &ubifs_clean_zn_cnt); + + c->zroot.znode = NULL; +} + +/** * read_znode - read an indexing node from flash and fill znode. * @c: UBIFS file-system description object * @zzbr: the zbranch describing the node to read |