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Btrfs: make sure new inode size is ok in fallocate

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We have been failing xfstest 228 forever, because we don't check to make sure
the new inode size is acceptable as far as RLIMIT is concerned.  Just check to
make sure it's ok to create a inode with this new size and error out if not.
With this patch we now pass 228.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Josef Bacik 2010-11-22 18:55:39 +00:00 committed by Chris Mason
parent 55a61d1d06
commit 0ed42a63f3
1 changed files with 4 additions and 0 deletions
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4
fs/btrfs/inode.c
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@ -7102,6 +7102,10 @@ static long btrfs_fallocate(struct inode *inode, int mode,
btrfs_wait_ordered_range(inode, alloc_start, alloc_end - alloc_start);
mutex_lock(&inode->i_mutex);
ret = inode_newsize_ok(inode, alloc_end);
if (ret)
goto out;
if (alloc_start > inode->i_size) {
ret = btrfs_cont_expand(inode, alloc_start);
if (ret)