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Subject[PATCH 30/49] ext4: Rename ext4_get_blocks_wrap() to be ext4_get_blocks()
Date
Another function rename for clarity's sake.  The _wrap prefix simply
confuses people, and didn't add much people trying to follow the code
paths.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/dir.c | 3 +--
fs/ext4/ext4.h | 8 ++++----
fs/ext4/extents.c | 6 +++---
fs/ext4/inode.c | 35 +++++++++++++++++------------------
4 files changed, 25 insertions(+), 27 deletions(-)
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index b647899..052d637 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -131,8 +131,7 @@ static int ext4_readdir(struct file *filp,
struct buffer_head *bh = NULL;

map_bh.b_state = 0;
- err = ext4_get_blocks_wrap(NULL, inode, blk, 1, &map_bh,
- 0, 0, 0);
+ err = ext4_get_blocks(NULL, inode, blk, 1, &map_bh, 0, 0, 0);
if (err > 0) {
pgoff_t index = map_bh.b_blocknr >>
(PAGE_CACHE_SHIFT - inode->i_blkbits);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 89190ae..5dc8368 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1617,10 +1617,10 @@ extern void ext4_ext_init(struct super_block *);
extern void ext4_ext_release(struct super_block *);
extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset,
loff_t len);
-extern int ext4_get_blocks_wrap(handle_t *handle, struct inode *inode,
- sector_t block, unsigned int max_blocks,
- struct buffer_head *bh, int create,
- int extend_disksize, int flag);
+extern int ext4_get_blocks(handle_t *handle, struct inode *inode,
+ sector_t block, unsigned int max_blocks,
+ struct buffer_head *bh, int create,
+ int extend_disksize, int flag);
extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len);

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 4fec6b7..7e7d02d 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3151,9 +3151,9 @@ retry:
break;
}
map_bh.b_state = 0;
- ret = ext4_get_blocks_wrap(handle, inode, block,
- max_blocks, &map_bh,
- EXT4_CREATE_UNINITIALIZED_EXT, 0, 0);
+ ret = ext4_get_blocks(handle, inode, block,
+ max_blocks, &map_bh,
+ EXT4_CREATE_UNINITIALIZED_EXT, 0, 0);
if (ret <= 0) {
#ifdef EXT4FS_DEBUG
WARN_ON(ret <= 0);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f758e80..a9a9b9b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1121,7 +1121,7 @@ static void ext4_da_update_reserve_space(struct inode *inode, int used)
}

/*
- * The ext4_get_blocks_wrap() function try to look up the requested blocks,
+ * The ext4_get_blocks() function tries to look up the requested blocks,
* and returns if the blocks are already mapped.
*
* Otherwise it takes the write lock of the i_data_sem and allocate blocks
@@ -1142,9 +1142,9 @@ static void ext4_da_update_reserve_space(struct inode *inode, int used)
*
* It returns the error in case of allocation failure.
*/
-int ext4_get_blocks_wrap(handle_t *handle, struct inode *inode, sector_t block,
- unsigned int max_blocks, struct buffer_head *bh,
- int create, int extend_disksize, int flag)
+int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
+ unsigned int max_blocks, struct buffer_head *bh,
+ int create, int extend_disksize, int flag)
{
int retval;

@@ -1268,8 +1268,8 @@ int ext4_get_block(struct inode *inode, sector_t iblock,
started = 1;
}

- ret = ext4_get_blocks_wrap(handle, inode, iblock,
- max_blocks, bh_result, create, 0, 0);
+ ret = ext4_get_blocks(handle, inode, iblock, max_blocks, bh_result,
+ create, 0, 0);
if (ret > 0) {
bh_result->b_size = (ret << inode->i_blkbits);
ret = 0;
@@ -1294,10 +1294,9 @@ struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode,
dummy.b_state = 0;
dummy.b_blocknr = -1000;
buffer_trace_init(&dummy.b_history);
- err = ext4_get_blocks_wrap(handle, inode, block, 1,
- &dummy, create, 1, 0);
+ err = ext4_get_blocks(handle, inode, block, 1, &dummy, create, 1, 0);
/*
- * ext4_get_blocks_wrap() returns number of blocks
+ * ext4_get_blocks() returns number of blocks
* mapped. 0 in case of a HOLE.
*/
if (err > 0) {
@@ -2009,8 +2008,8 @@ static int ext4_da_get_block_write(struct inode *inode, sector_t iblock,

handle = ext4_journal_current_handle();
BUG_ON(!handle);
- ret = ext4_get_blocks_wrap(handle, inode, iblock, max_blocks,
- bh_result, 1, 0, EXT4_DELALLOC_RSVED);
+ ret = ext4_get_blocks(handle, inode, iblock, max_blocks,
+ bh_result, 1, 0, EXT4_DELALLOC_RSVED);
if (ret <= 0)
return ret;

@@ -2067,11 +2066,11 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
/*
* We need to make sure the BH_Delay flag is passed down to
* ext4_da_get_block_write(), since it calls
- * ext4_get_blocks_wrap() with the EXT4_DELALLOC_RSVED flag.
- * This flag causes ext4_get_blocks_wrap() to call
+ * ext4_get_blocks() with the EXT4_DELALLOC_RSVED flag.
+ * This flag causes ext4_get_blocks() to call
* ext4_da_update_reserve_space() if the passed buffer head
* has the BH_Delay flag set. In the future, once we clean up
- * the interfaces to ext4_get_blocks_wrap(), we should pass in
+ * the interfaces to ext4_get_blocks(), we should pass in
* a separate flag which requests that the delayed allocation
* statistics should be updated, instead of depending on the
* state information getting passed down via the map_bh's
@@ -2363,7 +2362,7 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
* preallocated blocks are unmapped but should treated
* the same as allocated blocks.
*/
- ret = ext4_get_blocks_wrap(NULL, inode, iblock, 1, bh_result, 0, 0, 0);
+ ret = ext4_get_blocks(NULL, inode, iblock, 1, bh_result, 0, 0, 0);
if ((ret == 0) && !buffer_delay(bh_result)) {
/* the block isn't (pre)allocated yet, let's reserve space */
/*
@@ -2407,8 +2406,8 @@ static int ext4_normal_get_block_write(struct inode *inode, sector_t iblock,
* we don't want to do block allocation in writepage
* so call get_block_wrap with create = 0
*/
- ret = ext4_get_blocks_wrap(NULL, inode, iblock, max_blocks,
- bh_result, 0, 0, 0);
+ ret = ext4_get_blocks(NULL, inode, iblock, max_blocks,
+ bh_result, 0, 0, 0);
if (ret > 0) {
bh_result->b_size = (ret << inode->i_blkbits);
ret = 0;
@@ -5034,7 +5033,7 @@ int ext4_writepage_trans_blocks(struct inode *inode)
* Calculate the journal credits for a chunk of data modification.
*
* This is called from DIO, fallocate or whoever calling
- * ext4_get_blocks_wrap() to map/allocate a chunk of contigous disk blocks.
+ * ext4_get_blocks() to map/allocate a chunk of contigous disk blocks.
*
* journal buffers for data blocks are not included here, as DIO
* and fallocate do no need to journal data buffers.
--
1.6.3.2.1.gb9f7d.dirty


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