udf: Release preallocation on last writeable close
Commit6fb1ca92a6
"udf: Fix race between write(2) and close(2)" changed the condition when preallocation is released. The idea was that we don't want to release the preallocation for an inode on close when there are other writeable file descriptors for the inode. However the condition was written in the opposite way so we released preallocation only if there were other writeable file descriptors. Fix the problem by changing the condition properly. CC: stable@vger.kernel.org Fixes:6fb1ca92a6
Reported-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Jan Kara <jack@suse.cz>
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@ -224,7 +224,7 @@ out:
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static int udf_release_file(struct inode *inode, struct file *filp)
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{
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if (filp->f_mode & FMODE_WRITE &&
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atomic_read(&inode->i_writecount) > 1) {
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atomic_read(&inode->i_writecount) == 1) {
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/*
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* Grab i_mutex to avoid races with writes changing i_size
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* while we are running.
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