diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/buffer.c | 11 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 2 | ||||
| -rw-r--r-- | fs/ext4/super.c | 2 |
3 files changed, 13 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 91ceca52d14f..79c9562434a8 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1337,6 +1337,17 @@ void __breadahead(struct block_device *bdev, sector_t block, unsigned size) } EXPORT_SYMBOL(__breadahead); +void __breadahead_gfp(struct block_device *bdev, sector_t block, unsigned size, + gfp_t gfp) +{ + struct buffer_head *bh = __getblk_gfp(bdev, block, size, gfp); + if (likely(bh)) { + ll_rw_block(REQ_OP_READ, REQ_RAHEAD, 1, &bh); + brelse(bh); + } +} +EXPORT_SYMBOL(__breadahead_gfp); + /** * __bread_gfp() - reads a specified block and returns the bh * @bdev: the block_device to read from diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index d2edd6e9072f..b9473fcc110f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4680,7 +4680,7 @@ make_io: if (end > table) end = table; while (b <= end) - sb_breadahead(sb, b++); + sb_breadahead_unmovable(sb, b++); } /* diff --git a/fs/ext4/super.c b/fs/ext4/super.c index a1eca6d30643..8f7a46d3abff 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4283,7 +4283,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) /* Pre-read the descriptors into the buffer cache */ for (i = 0; i < db_count; i++) { block = descriptor_loc(sb, logical_sb_block, i); - sb_breadahead(sb, block); + sb_breadahead_unmovable(sb, block); } for (i = 0; i < db_count; i++) { |