* [PATCH] kill-the-bkl/reiserfs: turn GFP_ATOMIC flag to GFP_NOFS in reiserfs_get_block()
@ 2009-11-20 17:34 Frederic Weisbecker
0 siblings, 0 replies; only message in thread
From: Frederic Weisbecker @ 2009-11-20 17:34 UTC (permalink / raw)
To: LKML
Cc: LKML, Frederic Weisbecker, Jeff Mahoney, Chris Mason,
Ingo Molnar, Alexander Beregalov, Laurent Riffard,
Thomas Gleixner
GFP_ATOMIC was used in reiserfs_get_block to not lose the Bkl so that
nobody can modify the tree in the middle of its work. Now that we
kicked out the bkl, we can use a more friendly flag. We use GFP_NOFS
here because we already hold the reiserfs lock.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Alexander Beregalov <a.beregalov@gmail.com>
Cc: Laurent Riffard <laurent.riffard@free.fr>
Cc: Thomas Gleixner <tglx@linutronix.de>
---
fs/reiserfs/inode.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 0d493a3..3a28e77 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -932,7 +932,7 @@ int reiserfs_get_block(struct inode *inode, sector_t block,
if (blocks_needed == 1) {
un = &unf_single;
} else {
- un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC); // We need to avoid scheduling.
+ un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_NOFS);
if (!un) {
un = &unf_single;
blocks_needed = 1;
--
1.6.2.3
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2009-11-20 17:34 [PATCH] kill-the-bkl/reiserfs: turn GFP_ATOMIC flag to GFP_NOFS in reiserfs_get_block() Frederic Weisbecker
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