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When ext4_ext_insert_extent() fails to insert new blocks 

we should free just the allocated blocks.

Signed-off-by: Alex Tomas <alex@clusterfs.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Alex Tomas 2007-05-24 13:04:25 -04:00 committed by Theodore Ts'o
parent 25d14f983f
commit 315054f023
1 changed files with 5 additions and 1 deletions
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6
fs/ext4/extents.c
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@ -2099,8 +2099,12 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
ext4_ext_store_pblock(&newex, newblock);
newex.ee_len = cpu_to_le16(allocated);
err = ext4_ext_insert_extent(handle, inode, path, &newex);
if (err)
if (err) {
/* free data blocks we just allocated */
ext4_free_blocks(handle, inode, ext_pblock(&newex),
le16_to_cpu(newex.ee_len));
goto out2;
}
if (extend_disksize && inode->i_size > EXT4_I(inode)->i_disksize)
EXT4_I(inode)->i_disksize = inode->i_size;