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| author | Chao Yu <chao2.yu@samsung.com> | 2015-09-11 14:39:02 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-10-09 16:20:50 -0700 |
| commit | c998012b0bb93009d66349ea7e9747c968375e69 (patch) | |
| tree | d13ec7cb7874f797b93ab8da00a0038060b53c17 /fs | |
| parent | c5cd29d21cebc2e1802a9eea4cd940ddf9825ce1 (diff) | |
| download | linux-c998012b0bb93009d66349ea7e9747c968375e69.tar.gz linux-c998012b0bb93009d66349ea7e9747c968375e69.tar.bz2 linux-c998012b0bb93009d66349ea7e9747c968375e69.zip | |
f2fs: verify file type early in f2fs_fallocate
This patch changes to verify file type early in f2fs_fallocate for
cleanup, meanwhile this also fixes to add missing verification for
expand_inode_data.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/file.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b2fab9e2c09b..a85bb14716e5 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -765,9 +765,6 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len) loff_t off_start, off_end; int ret = 0; - if (!S_ISREG(inode->i_mode)) - return -EOPNOTSUPP; - if (f2fs_has_inline_data(inode)) { ret = f2fs_convert_inline_inode(inode); if (ret) @@ -908,9 +905,6 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len) loff_t new_size; int ret; - if (!S_ISREG(inode->i_mode)) - return -EINVAL; - if (offset + len >= i_size_read(inode)) return -EINVAL; @@ -959,9 +953,6 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len, loff_t off_start, off_end; int ret = 0; - if (!S_ISREG(inode->i_mode)) - return -EINVAL; - ret = inode_newsize_ok(inode, (len + offset)); if (ret) return ret; @@ -1068,9 +1059,6 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len) loff_t new_size; int ret; - if (!S_ISREG(inode->i_mode)) - return -EINVAL; - new_size = i_size_read(inode) + len; if (new_size > inode->i_sb->s_maxbytes) return -EFBIG; @@ -1228,6 +1216,10 @@ static long f2fs_fallocate(struct file *file, int mode, struct inode *inode = file_inode(file); long ret = 0; + /* f2fs only support ->fallocate for regular file */ + if (!S_ISREG(inode->i_mode)) + return -EINVAL; + if (f2fs_encrypted_inode(inode) && (mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE))) return -EOPNOTSUPP; |