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gfs2 fix 

- Only re-check for direct I/O writes past the end of the file after
   re-acquiring the inode glock.
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Merge tag 'gfs2-v5.18-rc4-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 fix from Andreas Gruenbacher:

 - Only re-check for direct I/O writes past the end of the file after
   re-acquiring the inode glock.

* tag 'gfs2-v5.18-rc4-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Don't re-check for write past EOF unnecessarily
This commit is contained in:
Linus Torvalds 2022-04-26 11:17:18 -07:00
parent fd574a2f84 e57f9af73d
commit 4fad37d595
1 changed files with 1 additions and 1 deletions
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2
fs/gfs2/file.c
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@ -899,10 +899,10 @@ retry:
ret = gfs2_glock_nq(gh);
if (ret)
goto out_uninit;
retry_under_glock:
/* Silently fall back to buffered I/O when writing beyond EOF */
if (iocb->ki_pos + iov_iter_count(from) > i_size_read(&ip->i_inode))
goto out;
retry_under_glock:
from->nofault = true;
ret = iomap_dio_rw(iocb, from, &gfs2_iomap_ops, NULL,