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author | Al Viro <viro@zeniv.linux.org.uk> | 2012-02-06 17:45:27 (GMT) |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-03-21 01:29:32 (GMT) |
commit | 8de52778798fe39660a8d6b26f290e0c93202761 (patch) | |
tree | 56384beb7863c1f338f2b66b509bf58eea5a99c2 /fs/nilfs2/super.c | |
parent | c16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff) | |
download | linux-fsl-qoriq-8de52778798fe39660a8d6b26f290e0c93202761.tar.xz |
vfs: check i_nlink limits in vfs_{mkdir,rename_dir,link}
New field of struct super_block - ->s_max_links. Maximal allowed
value of ->i_nlink or 0; in the latter case all checks still need
to be done in ->link/->mkdir/->rename instances. Note that this
limit applies both to directoris and to non-directories.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nilfs2/super.c')
-rw-r--r-- | fs/nilfs2/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 08e3d4f..1fc9ad3 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -1059,6 +1059,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_export_op = &nilfs_export_ops; sb->s_root = NULL; sb->s_time_gran = 1; + sb->s_max_links = NILFS_LINK_MAX; bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info; sb->s_bdi = bdi ? : &default_backing_dev_info; |