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| author | Grant Likely <grant.likely@linaro.org> | 2013-08-28 20:18:13 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@linaro.org> | 2013-08-28 20:18:13 +0100 |
| commit | 8be137f2664f0abb096626a9d2ce0fcdd955b109 (patch) | |
| tree | 2c53a5535265a58eb397d6fbbab2ec26e92e6931 /fs/hugetlbfs/inode.c | |
| parent | 8851b9f1625ce0858e9b1bb0ae4a57d4b43178b1 (diff) | |
| parent | d8dfad3876e4386666b759da3c833d62fb8b2267 (diff) | |
| download | linux-8be137f2664f0abb096626a9d2ce0fcdd955b109.tar.bz2 | |
Merge tag 'v3.11-rc7' into devicetree/next
Linux 3.11-rc7
Diffstat (limited to 'fs/hugetlbfs/inode.c')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index a3f868ae3fd4..d19b30ababf1 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -463,6 +463,14 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, return inode; } +/* + * Hugetlbfs is not reclaimable; therefore its i_mmap_mutex will never + * be taken from reclaim -- unlike regular filesystems. This needs an + * annotation because huge_pmd_share() does an allocation under + * i_mmap_mutex. + */ +struct lock_class_key hugetlbfs_i_mmap_mutex_key; + static struct inode *hugetlbfs_get_inode(struct super_block *sb, struct inode *dir, umode_t mode, dev_t dev) @@ -474,6 +482,8 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, struct hugetlbfs_inode_info *info; inode->i_ino = get_next_ino(); inode_init_owner(inode, dir, mode); + lockdep_set_class(&inode->i_mapping->i_mmap_mutex, + &hugetlbfs_i_mmap_mutex_key); inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; @@ -916,14 +926,8 @@ static int get_hstate_idx(int page_size_log) return h - hstates; } -static char *hugetlb_dname(struct dentry *dentry, char *buffer, int buflen) -{ - return dynamic_dname(dentry, buffer, buflen, "/%s (deleted)", - dentry->d_name.name); -} - static struct dentry_operations anon_ops = { - .d_dname = hugetlb_dname + .d_dname = simple_dname }; /* |