diff options
Diffstat (limited to 'fs/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index 835e23a4ee4b..aeae8c063451 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -554,7 +554,7 @@ static inline int dio_bio_reap(struct dio *dio, struct dio_submit *sdio) * filesystems that don't need it and also allows us to create the workqueue * late enough so the we can include s_id in the name of the workqueue. */ -static int sb_init_dio_done_wq(struct super_block *sb) +int sb_init_dio_done_wq(struct super_block *sb) { struct workqueue_struct *old; struct workqueue_struct *wq = alloc_workqueue("dio/%s", @@ -843,24 +843,6 @@ out: } /* - * Clean any dirty buffers in the blockdev mapping which alias newly-created - * file blocks. Only called for S_ISREG files - blockdevs do not set - * buffer_new - */ -static void clean_blockdev_aliases(struct dio *dio, struct buffer_head *map_bh) -{ - unsigned i; - unsigned nblocks; - - nblocks = map_bh->b_size >> dio->inode->i_blkbits; - - for (i = 0; i < nblocks; i++) { - unmap_underlying_metadata(map_bh->b_bdev, - map_bh->b_blocknr + i); - } -} - -/* * If we are not writing the entire block and get_block() allocated * the block for us, we need to fill-in the unused portion of the * block with zeros. This happens only if user-buffer, fileoffset or @@ -960,11 +942,15 @@ static int do_direct_IO(struct dio *dio, struct dio_submit *sdio, goto do_holes; sdio->blocks_available = - map_bh->b_size >> sdio->blkbits; + map_bh->b_size >> blkbits; sdio->next_block_for_io = map_bh->b_blocknr << sdio->blkfactor; - if (buffer_new(map_bh)) - clean_blockdev_aliases(dio, map_bh); + if (buffer_new(map_bh)) { + clean_bdev_aliases( + map_bh->b_bdev, + map_bh->b_blocknr, + map_bh->b_size >> blkbits); + } if (!sdio->blkfactor) goto do_holes; |
