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Fri, 15 Apr 2016 19:16:33 +0000 (UTC) X-ServerName: mx1.redhat.com X-Proofpoint-SPF-Result: pass X-Proofpoint-SPF-Record: v=spf1 include:_spf1.redhat.com include:_spf2.redhat.com -all X-Proofpoint-Virus-Version: vendor=nai engine=5800 definitions=8136 signatures=670714 X-Proofpoint-Spam-Details: rule=safe policy=default score=0 spamscore=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=donotscan adjust=0 reason=safe scancount=1 engine=8.0.1-1603290000 definitions=main-1604150272 Cc: Mike Christie Subject: [Ocfs2-devel] [PATCH 05/42] fs: have ll_rw_block users pass in op and flags separately X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com X-Source-IP: userv0022.oracle.com [156.151.31.74] X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mike Christie This has ll_rw_block users pass in the operation and flags separately, so ll_rw_block can setup bio->bi_op and bio-bi_rw on the bio that is submitted. v2: 1. Fix for kbuild error in ll_rw_block comments. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- fs/buffer.c | 19 ++++++++++--------- fs/ext4/inode.c | 6 +++--- fs/ext4/namei.c | 3 ++- fs/ext4/super.c | 2 +- fs/gfs2/bmap.c | 2 +- fs/gfs2/meta_io.c | 4 ++-- fs/gfs2/quota.c | 2 +- fs/isofs/compress.c | 2 +- fs/jbd2/journal.c | 2 +- fs/jbd2/recovery.c | 4 ++-- fs/ocfs2/aops.c | 2 +- fs/ocfs2/super.c | 2 +- fs/reiserfs/journal.c | 8 ++++---- fs/reiserfs/stree.c | 4 ++-- fs/reiserfs/super.c | 2 +- fs/squashfs/block.c | 4 ++-- fs/udf/dir.c | 2 +- fs/udf/directory.c | 2 +- fs/udf/inode.c | 2 +- fs/ufs/balloc.c | 2 +- include/linux/buffer_head.h | 2 +- 21 files changed, 40 insertions(+), 38 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 1e1a474..68c8f27 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -588,7 +588,7 @@ void write_boundary_block(struct block_device *bdev, struct buffer_head *bh = __find_get_block(bdev, bblock + 1, blocksize); if (bh) { if (buffer_dirty(bh)) - ll_rw_block(WRITE, 1, &bh); + ll_rw_block(REQ_OP_WRITE, 0, 1, &bh); put_bh(bh); } } @@ -1395,7 +1395,7 @@ void __breadahead(struct block_device *bdev, sector_t block, unsigned size) { struct buffer_head *bh = __getblk(bdev, block, size); if (likely(bh)) { - ll_rw_block(READA, 1, &bh); + ll_rw_block(REQ_OP_READ, READA, 1, &bh); brelse(bh); } } @@ -1955,7 +1955,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len, if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh) && (block_start < from || block_end > to)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++=bh; } } @@ -2852,7 +2852,7 @@ int block_truncate_page(struct address_space *mapping, if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh)) { err = -EIO; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) @@ -3052,7 +3052,8 @@ EXPORT_SYMBOL(submit_bh); /** * ll_rw_block: low-level access to block devices (DEPRECATED) - * @rw: whether to %READ or %WRITE or maybe %READA (readahead) + * @op: whether to %READ or %WRITE + * @op_flags: rq_flag_bits or %READA (readahead) * @nr: number of &struct buffer_heads in the array * @bhs: array of pointers to &struct buffer_head * @@ -3075,7 +3076,7 @@ EXPORT_SYMBOL(submit_bh); * All of the buffers must be for the same device, and must also be a * multiple of the current approved size for the device. */ -void ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) +void ll_rw_block(int op, int op_flags, int nr, struct buffer_head *bhs[]) { int i; @@ -3084,18 +3085,18 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) if (!trylock_buffer(bh)) continue; - if (rw == WRITE) { + if (op == WRITE) { if (test_clear_buffer_dirty(bh)) { bh->b_end_io = end_buffer_write_sync; get_bh(bh); - submit_bh(rw, 0, bh); + submit_bh(op, op_flags, bh); continue; } } else { if (!buffer_uptodate(bh)) { bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(rw, 0, bh); + submit_bh(op, op_flags, bh); continue; } } diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index f19220b..320b8f0b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -963,7 +963,7 @@ struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode, return bh; if (!bh || buffer_uptodate(bh)) return bh; - ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh); + ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1, &bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; @@ -1117,7 +1117,7 @@ static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh) && (block_start < from || block_end > to)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++ = bh; decrypt = ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode); @@ -3603,7 +3603,7 @@ static int __ext4_block_zero_page_range(handle_t *handle, if (!buffer_uptodate(bh)) { err = -EIO; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 48e4b89..a03d2e6 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1438,7 +1438,8 @@ restart: } bh_use[ra_max] = bh; if (bh) - ll_rw_block(READ | REQ_META | REQ_PRIO, + ll_rw_block(REQ_OP_READ, + REQ_META | REQ_PRIO, 1, &bh); } } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 304c712..389adea 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4207,7 +4207,7 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb, goto out_bdev; } journal->j_private = sb; - ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer); + ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer); wait_on_buffer(journal->j_sb_buffer); if (!buffer_uptodate(journal->j_sb_buffer)) { ext4_msg(sb, KERN_ERR, "I/O error on journal device"); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 06d79aa..fd6389c 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -974,7 +974,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from) if (!buffer_uptodate(bh)) { err = -EIO; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); /* Uhhuh. Read error. Complain and punt. */ if (!buffer_uptodate(bh)) diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 3c63087..f56f3ca 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -448,7 +448,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) if (buffer_uptodate(first_bh)) goto out; if (!buffer_locked(first_bh)) - ll_rw_block(READ_SYNC | REQ_META, 1, &first_bh); + ll_rw_block(REQ_OP_READ, READ_SYNC | REQ_META, 1, &first_bh); dblock++; extlen--; @@ -457,7 +457,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) bh = gfs2_getbuf(gl, dblock, CREATE); if (!buffer_uptodate(bh) && !buffer_locked(bh)) - ll_rw_block(READA | REQ_META, 1, &bh); + ll_rw_block(REQ_OP_READ, READA | REQ_META, 1, &bh); brelse(bh); dblock++; extlen--; diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index ce7d69a..62a6823 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -730,7 +730,7 @@ static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index, if (PageUptodate(page)) set_buffer_uptodate(bh); if (!buffer_uptodate(bh)) { - ll_rw_block(READ | REQ_META, 1, &bh); + ll_rw_block(REQ_OP_READ, REQ_META, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) goto unlock_out; diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c index 2e4e834..2ce5b75 100644 --- a/fs/isofs/compress.c +++ b/fs/isofs/compress.c @@ -81,7 +81,7 @@ static loff_t zisofs_uncompress_block(struct inode *inode, loff_t block_start, blocknum = block_start >> bufshift; memset(bhs, 0, (needblocks + 1) * sizeof(struct buffer_head *)); haveblocks = isofs_get_blocks(inode, blocknum, bhs, needblocks); - ll_rw_block(READ, haveblocks, bhs); + ll_rw_block(REQ_OP_READ, 0, haveblocks, bhs); curbh = 0; curpage = 0; diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 6d7e33a..3675b8e 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1497,7 +1497,7 @@ static int journal_get_superblock(journal_t *journal) J_ASSERT(bh != NULL); if (!buffer_uptodate(bh)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { printk(KERN_ERR diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 08a456b..6daf0c9 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -104,7 +104,7 @@ static int do_readahead(journal_t *journal, unsigned int start) if (!buffer_uptodate(bh) && !buffer_locked(bh)) { bufs[nbufs++] = bh; if (nbufs == MAXBUF) { - ll_rw_block(READ, nbufs, bufs); + ll_rw_block(REQ_OP_READ, 0, nbufs, bufs); journal_brelse_array(bufs, nbufs); nbufs = 0; } @@ -113,7 +113,7 @@ static int do_readahead(journal_t *journal, unsigned int start) } if (nbufs) - ll_rw_block(READ, nbufs, bufs); + ll_rw_block(REQ_OP_READ, 0, nbufs, bufs); err = 0; failed: diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index ad15773..8f0c138 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -640,7 +640,7 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno, !buffer_new(bh) && ocfs2_should_read_blk(inode, page, block_start) && (block_start < from || block_end > to)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); *wait_bh++=bh; } diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index d7cae33..3971146 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1819,7 +1819,7 @@ static int ocfs2_get_sector(struct super_block *sb, if (!buffer_dirty(*bh)) clear_buffer_uptodate(*bh); unlock_buffer(*bh); - ll_rw_block(READ, 1, bh); + ll_rw_block(REQ_OP_READ, 0, 1, bh); wait_on_buffer(*bh); if (!buffer_uptodate(*bh)) { mlog_errno(-EIO); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 6945e71..bc2dde2 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -870,7 +870,7 @@ loop_next: */ if (buffer_dirty(bh) && unlikely(bh->b_page->mapping == NULL)) { spin_unlock(lock); - ll_rw_block(WRITE, 1, &bh); + ll_rw_block(REQ_OP_WRITE, 0, 1, &bh); spin_lock(lock); } put_bh(bh); @@ -1057,7 +1057,7 @@ static int flush_commit_list(struct super_block *s, if (tbh) { if (buffer_dirty(tbh)) { depth = reiserfs_write_unlock_nested(s); - ll_rw_block(WRITE, 1, &tbh); + ll_rw_block(REQ_OP_WRITE, 0, 1, &tbh); reiserfs_write_lock_nested(s, depth); } put_bh(tbh) ; @@ -2244,7 +2244,7 @@ abort_replay: } } /* read in the log blocks, memcpy to the corresponding real block */ - ll_rw_block(READ, get_desc_trans_len(desc), log_blocks); + ll_rw_block(REQ_OP_READ, 0, get_desc_trans_len(desc), log_blocks); for (i = 0; i < get_desc_trans_len(desc); i++) { wait_on_buffer(log_blocks[i]); @@ -2346,7 +2346,7 @@ static struct buffer_head *reiserfs_breada(struct block_device *dev, } else bhlist[j++] = bh; } - ll_rw_block(READ, j, bhlist); + ll_rw_block(REQ_OP_READ, 0, j, bhlist); for (i = 1; i < j; i++) brelse(bhlist[i]); bh = bhlist[0]; diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index 5feacd6..64b29b5 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -551,7 +551,7 @@ static int search_by_key_reada(struct super_block *s, if (!buffer_uptodate(bh[j])) { if (depth == -1) depth = reiserfs_write_unlock_nested(s); - ll_rw_block(READA, 1, bh + j); + ll_rw_block(REQ_OP_READ, READA, 1, bh + j); } brelse(bh[j]); } @@ -660,7 +660,7 @@ int search_by_key(struct super_block *sb, const struct cpu_key *key, if (!buffer_uptodate(bh) && depth == -1) depth = reiserfs_write_unlock_nested(sb); - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (depth != -1) diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index b8f2d1e..9938a51 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1661,7 +1661,7 @@ static int read_super_block(struct super_block *s, int offset) /* after journal replay, reread all bitmap and super blocks */ static int reread_meta_blocks(struct super_block *s) { - ll_rw_block(READ, 1, &SB_BUFFER_WITH_SB(s)); + ll_rw_block(REQ_OP_READ, 0, 1, &SB_BUFFER_WITH_SB(s)); wait_on_buffer(SB_BUFFER_WITH_SB(s)); if (!buffer_uptodate(SB_BUFFER_WITH_SB(s))) { reiserfs_warning(s, "reiserfs-2504", "error reading the super"); diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c index 2c26184..ce62a38 100644 --- a/fs/squashfs/block.c +++ b/fs/squashfs/block.c @@ -124,7 +124,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length, goto block_release; bytes += msblk->devblksize; } - ll_rw_block(READ, b, bh); + ll_rw_block(REQ_OP_READ, 0, b, bh); } else { /* * Metadata block. @@ -156,7 +156,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length, goto block_release; bytes += msblk->devblksize; } - ll_rw_block(READ, b - 1, bh + 1); + ll_rw_block(REQ_OP_READ, 0, b - 1, bh + 1); } for (i = 0; i < b; i++) { diff --git a/fs/udf/dir.c b/fs/udf/dir.c index b51b371..cfadce0 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -113,7 +113,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) brelse(tmp); } if (num) { - ll_rw_block(READA, num, bha); + ll_rw_block(REQ_OP_READ, READA, num, bha); for (i = 0; i < num; i++) brelse(bha[i]); } diff --git a/fs/udf/directory.c b/fs/udf/directory.c index c763fda..71f3e0b 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -87,7 +87,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos, brelse(tmp); } if (num) { - ll_rw_block(READA, num, bha); + ll_rw_block(REQ_OP_READ, READA, num, bha); for (i = 0; i < num; i++) brelse(bha[i]); } diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 2dc461e..a401bdbe 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1200,7 +1200,7 @@ struct buffer_head *udf_bread(struct inode *inode, int block, if (buffer_uptodate(bh)) return bh; - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 0447b94..67e085d 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -292,7 +292,7 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg, if (!buffer_mapped(bh)) map_bh(bh, inode->i_sb, oldb + pos); if (!buffer_uptodate(bh)) { - ll_rw_block(READ, 1, &bh); + ll_rw_block(REQ_OP_READ, 0, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { ufs_error(inode->i_sb, __func__, diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index bc9a45d..d1dd293 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -187,7 +187,7 @@ struct buffer_head *alloc_buffer_head(gfp_t gfp_flags); void free_buffer_head(struct buffer_head * bh); void unlock_buffer(struct buffer_head *bh); void __lock_buffer(struct buffer_head *bh); -void ll_rw_block(int, int, struct buffer_head * bh[]); +void ll_rw_block(int, int, int, struct buffer_head * bh[]); int sync_dirty_buffer(struct buffer_head *bh); int __sync_dirty_buffer(struct buffer_head *bh, int op_flags); void write_dirty_buffer(struct buffer_head *bh, int op_flags);