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| author | Ingo Molnar <mingo@kernel.org> | 2019-05-13 21:30:15 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-05-13 21:30:15 +0300 |
| commit | 82045dd85566d87128dcc66277cf1177d9930a4a (patch) | |
| tree | 22fea6311a4866293005a1a44f34310e4007a3c9 /fs/hugetlbfs/inode.c | |
| parent | e0478542cfd4d993e38d5f92a3f3ecd238805e96 (diff) | |
| parent | ffa6f55eb6188ee73339cab710fabf30d13110a7 (diff) | |
| download | linux-82045dd85566d87128dcc66277cf1177d9930a4a.tar.xz | |
Merge branch 'linus' into core/urgent, to merge in dependent changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index ec32fece5e1e..9285dd4f4b1c 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -755,11 +755,17 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, umode_t mode, dev_t dev) { struct inode *inode; - struct resv_map *resv_map; + struct resv_map *resv_map = NULL; - resv_map = resv_map_alloc(); - if (!resv_map) - return NULL; + /* + * Reserve maps are only needed for inodes that can have associated + * page allocations. + */ + if (S_ISREG(mode) || S_ISLNK(mode)) { + resv_map = resv_map_alloc(); + if (!resv_map) + return NULL; + } inode = new_inode(sb); if (inode) { @@ -794,8 +800,10 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, break; } lockdep_annotate_inode_mutex_key(inode); - } else - kref_put(&resv_map->refs, resv_map_release); + } else { + if (resv_map) + kref_put(&resv_map->refs, resv_map_release); + } return inode; } |