evie/android_kernel_oneplus_msm8998
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f2fs: skip punching hole in special condition

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Now punching hole in directory is not supported in f2fs, so let's limit file
type in punch_hole().

In addition, in punch_hole if offset is exceed file size, we should skip
punching hole.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2014-09-15 18:03:32 +08:00 • committed by Jaegeuk Kim
parent 55cf9cb63f
commit 14cecc5cd6
1 changed files with 7 additions and 0 deletions
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7
fs/f2fs/file.c
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@ -658,6 +658,13 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
loff_t off_start, off_end; loff_t off_start, off_end;
int ret = 0; int ret = 0;
if (!S_ISREG(inode->i_mode))
return -EOPNOTSUPP;
/* skip punching hole beyond i_size */
if (offset >= inode->i_size)
return ret;
ret = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, NULL); ret = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, NULL);
if (ret) if (ret)
return ret; return ret;