* Patch "xfs: don't fail xfs_extent_busy allocation" has been added to the 4.10-stable tree
@ 2017-04-01 17:32 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2017-04-01 17:32 UTC (permalink / raw)
To: hch, bfoster, darrick.wong, gregkh; +Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
xfs: don't fail xfs_extent_busy allocation
to the 4.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
xfs-don-t-fail-xfs_extent_busy-allocation.patch
and it can be found in the queue-4.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 5e30c23d13919a718b22d4921dc5c0accc59da27 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 7 Feb 2017 14:06:46 -0800
Subject: xfs: don't fail xfs_extent_busy allocation
From: Christoph Hellwig <hch@lst.de>
commit 5e30c23d13919a718b22d4921dc5c0accc59da27 upstream.
We don't just need the structure to track busy extents which can be
avoided with a synchronous transaction, but also to keep track of
pending discard.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_extent_busy.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
--- a/fs/xfs/xfs_extent_busy.c
+++ b/fs/xfs/xfs_extent_busy.c
@@ -45,18 +45,7 @@ xfs_extent_busy_insert(
struct rb_node **rbp;
struct rb_node *parent = NULL;
- new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_MAYFAIL);
- if (!new) {
- /*
- * No Memory! Since it is now not possible to track the free
- * block, make this a synchronous transaction to insure that
- * the block is not reused before this transaction commits.
- */
- trace_xfs_extent_busy_enomem(tp->t_mountp, agno, bno, len);
- xfs_trans_set_sync(tp);
- return;
- }
-
+ new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_SLEEP);
new->agno = agno;
new->bno = bno;
new->length = len;
Patches currently in stable-queue which might be from hch@lst.de are
queue-4.10/xfs-mark-speculative-prealloc-cow-fork-extents-unwritten.patch
queue-4.10/xfs-fix-toctou-race-when-locking-an-inode-to-access-the-data-map.patch
queue-4.10/xfs-use-iomap-new-flag-for-newly-allocated-delalloc-blocks.patch
queue-4.10/xfs-reject-all-unaligned-direct-writes-to-reflinked-files.patch
queue-4.10/xfs-allow-unwritten-extents-in-the-cow-fork.patch
queue-4.10/xfs-tune-down-agno-asserts-in-the-bmap-code.patch
queue-4.10/xfs-verify-free-block-header-fields.patch
queue-4.10/xfs-check-for-obviously-bad-level-values-in-the-bmbt-root.patch
queue-4.10/xfs-don-t-fail-xfs_extent_busy-allocation.patch
queue-4.10/xfs-sync-eofblocks-scans-under-iolock-are-livelock-prone.patch
queue-4.10/xfs-pull-up-iolock-from-xfs_free_eofblocks.patch
queue-4.10/xfs-fail-_dir_open-when-readahead-fails.patch
queue-4.10/xfs-update-ctime-and-mtime-on-clone-destinatation-inodes.patch
queue-4.10/xfs-use-xfs_icluster_size_fsb-to-calculate-inode-chunk-alignment.patch
queue-4.10/xfs-only-reclaim-unwritten-cow-extents-periodically.patch
queue-4.10/xfs-try-any-ag-when-allocating-the-first-btree-block-when-reflinking.patch
queue-4.10/xfs-fix-and-streamline-error-handling-in-xfs_end_io.patch
queue-4.10/xfs-fix-eofblocks-race-with-file-extending-async-dio-writes.patch
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2017-04-01 17:32 Patch "xfs: don't fail xfs_extent_busy allocation" has been added to the 4.10-stable tree gregkh
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