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ext4: enable punch hole for bigalloc

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After applied this commit (d23142c6), ext4 has supported punch hole for
a file system with bigalloc feature.  But we forgot to enable it.  This
commit fixes it.

Cc: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Zheng Liu 2014-01-06 14:01:23 -05:00 committed by Theodore Ts'o
parent d0abafac8c
commit 9cb00419fa
1 changed files with 0 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
fs/ext4/inode.c
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@ -3501,11 +3501,6 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
if (!S_ISREG(inode->i_mode)) if (!S_ISREG(inode->i_mode))
return -EOPNOTSUPP; return -EOPNOTSUPP;
if (EXT4_SB(sb)->s_cluster_ratio > 1) {
/* TODO: Add support for bigalloc file systems */
return -EOPNOTSUPP;
}
trace_ext4_punch_hole(inode, offset, length); trace_ext4_punch_hole(inode, offset, length);
/* /*