Messages in this thread Patch in this message | | | From | Nikolay Borisov <> | Subject | [PATCH 2/2] ext4: make use of sb_getblk_gfp | Date | Tue, 30 Jun 2015 09:26:49 +0300 |
| |
Switch ext4 to using sb_getblk_gfp with GFP_NOFS added, this fixes possible deadlocks in the page writeback path.
Signed-off-by: Nikolay Borisov <kernel@kyup.com> --- fs/ext4/extents.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index e003a1e..87ba10d 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -503,7 +503,7 @@ __read_extent_tree_block(const char *function, unsigned int line, struct buffer_head *bh; int err; - bh = sb_getblk(inode->i_sb, pblk); + bh = sb_getblk_gfp(inode->i_sb, pblk, __GFP_MOVABLE | GFP_NOFS); if (unlikely(!bh)) return ERR_PTR(-ENOMEM); @@ -1088,7 +1088,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, err = -EIO; goto cleanup; } - bh = sb_getblk(inode->i_sb, newblock); + bh = sb_getblk_gfp(inode->i_sb, newblock, __GFP_MOVABLE | GFP_NOFS); if (unlikely(!bh)) { err = -ENOMEM; goto cleanup; @@ -1282,7 +1282,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode, if (newblock == 0) return err; - bh = sb_getblk(inode->i_sb, newblock); + bh = sb_getblk_gfp(inode->i_sb, newblock, __GFP_MOVABLE | GFP_NOFS); if (unlikely(!bh)) return -ENOMEM; lock_buffer(bh); -- 1.7.1
| |