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authorZheng Liu <wenqing.lz@taobao.com>2011-12-05 15:55:11 +0800
committerJan Kara <jack@suse.cz>2012-01-09 13:52:07 +0100
commitd03e1292c46721f60830c5d2e334966472002ed0 (patch)
treebc5a9f63fc52e4b96a6e9faa9457cb47d70b2cc7
parentbcdd0c1600903e9222abfcde28947406020ccb5d (diff)
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ext3: replace ll_rw_block with other functions
ll_rw_block() is deprecated. Thus we replace it with other functions. CC: Jan Kara <jack@suse.cz> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: Jan Kara <jack@suse.cz>
-rw-r--r--fs/ext3/inode.c14
-rw-r--r--fs/ext3/namei.c9
-rw-r--r--fs/ext3/super.c10
3 files changed, 18 insertions, 15 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 9da9125ba3e..a8d3217c5cf 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1136,9 +1136,11 @@ struct buffer_head *ext3_bread(handle_t *handle, struct inode *inode,
bh = ext3_getblk(handle, inode, block, create, err);
if (!bh)
return bh;
- if (buffer_uptodate(bh))
+ if (bh_uptodate_or_lock(bh))
return bh;
- ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh);
+ get_bh(bh);
+ bh->b_end_io = end_buffer_read_sync;
+ submit_bh(READ | REQ_META | REQ_PRIO, bh);
wait_on_buffer(bh);
if (buffer_uptodate(bh))
return bh;
@@ -2068,12 +2070,10 @@ static int ext3_block_truncate_page(struct inode *inode, loff_t from)
if (PageUptodate(page))
set_buffer_uptodate(bh);
- if (!buffer_uptodate(bh)) {
- err = -EIO;
- ll_rw_block(READ, 1, &bh);
- wait_on_buffer(bh);
+ if (!bh_uptodate_or_lock(bh)) {
+ err = bh_submit_read(bh);
/* Uhhuh. Read error. Complain and punt. */
- if (!buffer_uptodate(bh))
+ if (err)
goto unlock;
}
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 642dc6d66df..337c3f3375c 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -921,9 +921,12 @@ restart:
num++;
bh = ext3_getblk(NULL, dir, b++, 0, &err);
bh_use[ra_max] = bh;
- if (bh)
- ll_rw_block(READ | REQ_META | REQ_PRIO,
- 1, &bh);
+ if (bh && !bh_uptodate_or_lock(bh)) {
+ get_bh(bh);
+ bh->b_end_io = end_buffer_read_sync;
+ submit_bh(READ | REQ_META | REQ_PRIO,
+ bh);
+ }
}
}
if ((bh = bh_use[ra_ptr++]) == NULL)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 767fa3a2bd1..662cef4569a 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2231,11 +2231,11 @@ static journal_t *ext3_get_dev_journal(struct super_block *sb,
goto out_bdev;
}
journal->j_private = sb;
- ll_rw_block(READ, 1, &journal->j_sb_buffer);
- wait_on_buffer(journal->j_sb_buffer);
- if (!buffer_uptodate(journal->j_sb_buffer)) {
- ext3_msg(sb, KERN_ERR, "I/O error on journal device");
- goto out_journal;
+ if (!bh_uptodate_or_lock(journal->j_sb_buffer)) {
+ if (bh_submit_read(journal->j_sb_buffer)) {
+ ext3_msg(sb, KERN_ERR, "I/O error on journal device");
+ goto out_journal;
+ }
}
if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {
ext3_msg(sb, KERN_ERR,