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authorBob Peterson <rpeterso@redhat.com>2007-12-10 15:13:27 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2008-01-25 03:08:25 -0500
commite9e1ef2b6ee401d7c1e1eb38052857b4b206d172 (patch)
tree68dff93cf4058eb06b162d800f08ff7752cd1a55 /fs/gfs2/ops_address.c
parent2066b58b0a038d7aedd24133677efb8856cac3a1 (diff)
[GFS2] Remove function gfs2_get_block
This patch is just a cleanup. Function gfs2_get_block() just calls function gfs2_block_map reversing the last two parameters. By reversing the parameters, gfs2_block_map() may be called directly and function gfs2_get_block may be eliminated altogether. Since this function is done for every block operation, this streamlines the code and makes it a little bit more efficient. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/ops_address.c')
-rw-r--r--fs/gfs2/ops_address.c30
1 files changed, 7 insertions, 23 deletions
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 7353933483bb..8f94e306c862 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -59,22 +59,6 @@ static void gfs2_page_add_databufs(struct gfs2_inode *ip, struct page *page,
59} 59}
60 60
61/** 61/**
62 * gfs2_get_block - Fills in a buffer head with details about a block
63 * @inode: The inode
64 * @lblock: The block number to look up
65 * @bh_result: The buffer head to return the result in
66 * @create: Non-zero if we may add block to the file
67 *
68 * Returns: errno
69 */
70
71int gfs2_get_block(struct inode *inode, sector_t lblock,
72 struct buffer_head *bh_result, int create)
73{
74 return gfs2_block_map(inode, lblock, create, bh_result);
75}
76
77/**
78 * gfs2_get_block_noalloc - Fills in a buffer head with details about a block 62 * gfs2_get_block_noalloc - Fills in a buffer head with details about a block
79 * @inode: The inode 63 * @inode: The inode
80 * @lblock: The block number to look up 64 * @lblock: The block number to look up
@@ -89,7 +73,7 @@ static int gfs2_get_block_noalloc(struct inode *inode, sector_t lblock,
89{ 73{
90 int error; 74 int error;
91 75
92 error = gfs2_block_map(inode, lblock, 0, bh_result); 76 error = gfs2_block_map(inode, lblock, bh_result, 0);
93 if (error) 77 if (error)
94 return error; 78 return error;
95 if (!buffer_mapped(bh_result)) 79 if (!buffer_mapped(bh_result))
@@ -100,7 +84,7 @@ static int gfs2_get_block_noalloc(struct inode *inode, sector_t lblock,
100static int gfs2_get_block_direct(struct inode *inode, sector_t lblock, 84static int gfs2_get_block_direct(struct inode *inode, sector_t lblock,
101 struct buffer_head *bh_result, int create) 85 struct buffer_head *bh_result, int create)
102{ 86{
103 return gfs2_block_map(inode, lblock, 0, bh_result); 87 return gfs2_block_map(inode, lblock, bh_result, 0);
104} 88}
105 89
106/** 90/**
@@ -504,7 +488,7 @@ static int __gfs2_readpage(void *file, struct page *page)
504 error = stuffed_readpage(ip, page); 488 error = stuffed_readpage(ip, page);
505 unlock_page(page); 489 unlock_page(page);
506 } else { 490 } else {
507 error = mpage_readpage(page, gfs2_get_block); 491 error = mpage_readpage(page, gfs2_block_map);
508 } 492 }
509 493
510 if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags))) 494 if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
@@ -598,7 +582,7 @@ int gfs2_internal_read(struct gfs2_inode *ip, struct file_ra_state *ra_state,
598 * Any I/O we ignore at this time will be done via readpage later. 582 * Any I/O we ignore at this time will be done via readpage later.
599 * 2. We don't handle stuffed files here we let readpage do the honours. 583 * 2. We don't handle stuffed files here we let readpage do the honours.
600 * 3. mpage_readpages() does most of the heavy lifting in the common case. 584 * 3. mpage_readpages() does most of the heavy lifting in the common case.
601 * 4. gfs2_get_block() is relied upon to set BH_Boundary in the right places. 585 * 4. gfs2_block_map() is relied upon to set BH_Boundary in the right places.
602 */ 586 */
603 587
604static int gfs2_readpages(struct file *file, struct address_space *mapping, 588static int gfs2_readpages(struct file *file, struct address_space *mapping,
@@ -615,7 +599,7 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping,
615 if (unlikely(ret)) 599 if (unlikely(ret))
616 goto out_uninit; 600 goto out_uninit;
617 if (!gfs2_is_stuffed(ip)) 601 if (!gfs2_is_stuffed(ip))
618 ret = mpage_readpages(mapping, pages, nr_pages, gfs2_get_block); 602 ret = mpage_readpages(mapping, pages, nr_pages, gfs2_block_map);
619 gfs2_glock_dq(&gh); 603 gfs2_glock_dq(&gh);
620out_uninit: 604out_uninit:
621 gfs2_holder_uninit(&gh); 605 gfs2_holder_uninit(&gh);
@@ -710,7 +694,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
710 } 694 }
711 695
712prepare_write: 696prepare_write:
713 error = block_prepare_write(page, from, to, gfs2_get_block); 697 error = block_prepare_write(page, from, to, gfs2_block_map);
714out: 698out:
715 if (error == 0) 699 if (error == 0)
716 return 0; 700 return 0;
@@ -923,7 +907,7 @@ static sector_t gfs2_bmap(struct address_space *mapping, sector_t lblock)
923 return 0; 907 return 0;
924 908
925 if (!gfs2_is_stuffed(ip)) 909 if (!gfs2_is_stuffed(ip))
926 dblock = generic_block_bmap(mapping, lblock, gfs2_get_block); 910 dblock = generic_block_bmap(mapping, lblock, gfs2_block_map);
927 911
928 gfs2_glock_dq_uninit(&i_gh); 912 gfs2_glock_dq_uninit(&i_gh);
929 913