aboutsummaryrefslogtreecommitdiffstats
path: root/fs/gfs2/ops_address.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/gfs2/ops_address.c')
-rw-r--r--fs/gfs2/ops_address.c68
1 files changed, 14 insertions, 54 deletions
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index d44d42fb4163..6f9ac5e6e3f6 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -65,29 +65,11 @@ static void gfs2_page_add_databufs(struct gfs2_inode *ip, struct page *page,
int gfs2_get_block(struct inode *inode, sector_t lblock,
struct buffer_head *bh_result, int create)
{
- int new = create;
- u64 dblock;
- int error;
- int boundary;
-
- error = gfs2_block_map(inode, lblock, &new, &dblock, &boundary);
- if (error)
- return error;
-
- if (!dblock)
- return 0;
-
- map_bh(bh_result, inode->i_sb, dblock);
- if (new)
- set_buffer_new(bh_result);
- if (boundary)
- set_buffer_boundary(bh_result);
-
- return 0;
+ return gfs2_block_map(inode, lblock, create, bh_result, 32);
}
/**
- * get_block_noalloc - Fills in a buffer head with details about a block
+ * gfs2_get_block_noalloc - Fills in a buffer head with details about a block
* @inode: The inode
* @lblock: The block number to look up
* @bh_result: The buffer head to return the result in
@@ -96,47 +78,25 @@ int gfs2_get_block(struct inode *inode, sector_t lblock,
* Returns: errno
*/
-static int get_block_noalloc(struct inode *inode, sector_t lblock,
- struct buffer_head *bh_result, int create)
+static int gfs2_get_block_noalloc(struct inode *inode, sector_t lblock,
+ struct buffer_head *bh_result, int create)
{
- int new = 0;
- u64 dblock;
int error;
- int boundary;
- error = gfs2_block_map(inode, lblock, &new, &dblock, &boundary);
+ error = gfs2_block_map(inode, lblock, 0, bh_result, 1);
if (error)
return error;
-
- if (dblock)
- map_bh(bh_result, inode->i_sb, dblock);
- else if (gfs2_assert_withdraw(GFS2_SB(inode), !create))
- error = -EIO;
- if (boundary)
- set_buffer_boundary(bh_result);
-
- return error;
+ if (bh_result->b_blocknr == 0)
+ return -EIO;
+ return 0;
}
-static int get_block_direct(struct inode *inode, sector_t lblock,
- struct buffer_head *bh_result, int create)
+static int gfs2_get_block_direct(struct inode *inode, sector_t lblock,
+ struct buffer_head *bh_result, int create)
{
- int new = 0;
- u64 dblock;
- int error, boundary;
-
- error = gfs2_block_map(inode, lblock, &new, &dblock, &boundary);
- if (error)
- return error;
-
- if (dblock) {
- map_bh(bh_result, inode->i_sb, dblock);
- if (boundary)
- set_buffer_boundary(bh_result);
- }
-
- return 0;
+ return gfs2_block_map(inode, lblock, 0, bh_result, 512);
}
+
/**
* gfs2_writepage - Write complete page
* @page: Page to write
@@ -184,7 +144,7 @@ static int gfs2_writepage(struct page *page, struct writeback_control *wbc)
gfs2_page_add_databufs(ip, page, 0, sdp->sd_vfs->s_blocksize-1);
done_trans = 1;
}
- error = block_write_full_page(page, get_block_noalloc, wbc);
+ error = block_write_full_page(page, gfs2_get_block_noalloc, wbc);
if (done_trans)
gfs2_trans_end(sdp);
gfs2_meta_cache_flush(ip);
@@ -680,7 +640,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb,
rv = blockdev_direct_IO_own_locking(rw, iocb, inode,
inode->i_sb->s_bdev,
iov, offset, nr_segs,
- get_block_direct, NULL);
+ gfs2_get_block_direct, NULL);
out:
gfs2_glock_dq_m(1, &gh);
gfs2_holder_uninit(&gh);