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ext4: rename ext4_ext_find_extent() to ext4_find_extent() 

Make the function name less redundant.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2014-09-01 14:43:09 -04:00
Родитель 3bdf14b4d7
Коммит ed8a1a766a
5 изменённых файлов: 27 добавлений и 28 удалений
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4
fs/ext4/ext4.h
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@ -573,7 +573,7 @@ enum {
/*
* The bit position of these flags must not overlap with any of the
* EXT4_GET_BLOCKS_*. They are used by ext4_ext_find_extent(),
* EXT4_GET_BLOCKS_*. They are used by ext4_find_extent(),
* read_extent_tree_block(), ext4_split_extent_at(),
* ext4_ext_insert_extent(), and ext4_ext_create_new_leaf().
* EXT4_EX_NOCACHE is used to indicate that the we shouldn't be
@ -2732,7 +2732,7 @@ extern int ext4_can_extents_be_merged(struct inode *inode,
extern int ext4_ext_insert_extent(handle_t *, struct inode *,
struct ext4_ext_path **,
struct ext4_extent *, int);
extern struct ext4_ext_path *ext4_ext_find_extent(struct inode *, ext4_lblk_t,
extern struct ext4_ext_path *ext4_find_extent(struct inode *, ext4_lblk_t,
struct ext4_ext_path **,
int flags);
extern void ext4_ext_drop_refs(struct ext4_ext_path *);

36
fs/ext4/extents.c
Просмотреть файл

@ -857,7 +857,7 @@ int ext4_ext_tree_init(handle_t *handle, struct inode *inode)
}
struct ext4_ext_path *
ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
ext4_find_extent(struct inode *inode, ext4_lblk_t block,
struct ext4_ext_path **orig_path, int flags)
{
struct ext4_extent_header *eh;
@ -1366,7 +1366,7 @@ repeat:
goto out;
/* refill path */
path = ext4_ext_find_extent(inode,
path = ext4_find_extent(inode,
(ext4_lblk_t)le32_to_cpu(newext->ee_block),
ppath, gb_flags);
if (IS_ERR(path))
@ -1378,7 +1378,7 @@ repeat:
goto out;
/* refill path */
path = ext4_ext_find_extent(inode,
path = ext4_find_extent(inode,
(ext4_lblk_t)le32_to_cpu(newext->ee_block),
ppath, gb_flags);
if (IS_ERR(path)) {
@ -1951,7 +1951,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
/*
* Try to see whether we should rather test the extent on
* right from ex, or from the left of ex. This is because
* ext4_ext_find_extent() can return either extent on the
* ext4_find_extent() can return either extent on the
* left, or on the right from the searched position. This
* will make merging more effective.
*/
@ -2034,7 +2034,7 @@ prepend:
if (next != EXT_MAX_BLOCKS) {
ext_debug("next leaf block - %u\n", next);
BUG_ON(npath != NULL);
npath = ext4_ext_find_extent(inode, next, NULL, 0);
npath = ext4_find_extent(inode, next, NULL, 0);
if (IS_ERR(npath))
return PTR_ERR(npath);
BUG_ON(npath->p_depth != path->p_depth);
@ -2157,7 +2157,7 @@ static int ext4_fill_fiemap_extents(struct inode *inode,
/* find extent for this block */
down_read(&EXT4_I(inode)->i_data_sem);
path = ext4_ext_find_extent(inode, block, &path, 0);
path = ext4_find_extent(inode, block, &path, 0);
if (IS_ERR(path)) {
up_read(&EXT4_I(inode)->i_data_sem);
err = PTR_ERR(path);
@ -2840,7 +2840,7 @@ again:
ext4_lblk_t ee_block;
/* find extent for this block */
path = ext4_ext_find_extent(inode, end, NULL, EXT4_EX_NOCACHE);
path = ext4_find_extent(inode, end, NULL, EXT4_EX_NOCACHE);
if (IS_ERR(path)) {
ext4_journal_stop(handle);
return PTR_ERR(path);
@ -3314,7 +3314,7 @@ static int ext4_split_extent(handle_t *handle,
* Update path is required because previous ext4_split_extent_at() may
* result in split of original leaf or extent zeroout.
*/
path = ext4_ext_find_extent(inode, map->m_lblk, ppath, 0);
path = ext4_find_extent(inode, map->m_lblk, ppath, 0);
if (IS_ERR(path))
return PTR_ERR(path);
depth = ext_depth(inode);
@ -3712,7 +3712,7 @@ static int ext4_convert_unwritten_extents_endio(handle_t *handle,
EXT4_GET_BLOCKS_CONVERT);
if (err < 0)
return err;
path = ext4_ext_find_extent(inode, map->m_lblk, ppath, 0);
path = ext4_find_extent(inode, map->m_lblk, ppath, 0);
if (IS_ERR(path))
return PTR_ERR(path);
depth = ext_depth(inode);
@ -3940,7 +3940,7 @@ convert_initialized_extent(handle_t *handle, struct inode *inode,
EXT4_GET_BLOCKS_CONVERT_UNWRITTEN);
if (err < 0)
return err;
path = ext4_ext_find_extent(inode, map->m_lblk, ppath, 0);
path = ext4_find_extent(inode, map->m_lblk, ppath, 0);
if (IS_ERR(path))
return PTR_ERR(path);
depth = ext_depth(inode);
@ -4266,7 +4266,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
trace_ext4_ext_map_blocks_enter(inode, map->m_lblk, map->m_len, flags);
/* find extent for this block */
path = ext4_ext_find_extent(inode, map->m_lblk, NULL, 0);
path = ext4_find_extent(inode, map->m_lblk, NULL, 0);
if (IS_ERR(path)) {
err = PTR_ERR(path);
path = NULL;
@ -4278,7 +4278,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
/*
* consistent leaf must not be empty;
* this situation is possible, though, _during_ tree modification;
* this is why assert can't be put in ext4_ext_find_extent()
* this is why assert can't be put in ext4_find_extent()
*/
if (unlikely(path[depth].p_ext == NULL && depth != 0)) {
EXT4_ERROR_INODE(inode, "bad extent address "
@ -4363,7 +4363,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
/*
* If we are doing bigalloc, check to see if the extent returned
* by ext4_ext_find_extent() implies a cluster we can use.
* by ext4_find_extent() implies a cluster we can use.
*/
if (cluster_offset && ex &&
get_implied_cluster_alloc(inode->i_sb, map, ex, path)) {
@ -5300,7 +5300,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
ext4_lblk_t ex_start, ex_end;
/* Let path point to the last extent */
path = ext4_ext_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL, 0);
path = ext4_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL, 0);
if (IS_ERR(path))
return PTR_ERR(path);
@ -5320,7 +5320,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
* Don't start shifting extents until we make sure the hole is big
* enough to accomodate the shift.
*/
path = ext4_ext_find_extent(inode, start - 1, &path, 0);
path = ext4_find_extent(inode, start - 1, &path, 0);
if (IS_ERR(path))
return PTR_ERR(path);
depth = path->p_depth;
@ -5340,7 +5340,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
/* Its safe to start updating extents */
while (start < stop_block) {
path = ext4_ext_find_extent(inode, start, &path, 0);
path = ext4_find_extent(inode, start, &path, 0);
if (IS_ERR(path))
return PTR_ERR(path);
depth = path->p_depth;
@ -5537,7 +5537,7 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
int e1_len, e2_len, len;
int split = 0;
path1 = ext4_ext_find_extent(inode1, lblk1, NULL, EXT4_EX_NOCACHE);
path1 = ext4_find_extent(inode1, lblk1, NULL, EXT4_EX_NOCACHE);
if (unlikely(IS_ERR(path1))) {
*erp = PTR_ERR(path1);
path1 = NULL;
@ -5545,7 +5545,7 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
count = 0;
goto repeat;
}
path2 = ext4_ext_find_extent(inode2, lblk2, NULL, EXT4_EX_NOCACHE);
path2 = ext4_find_extent(inode2, lblk2, NULL, EXT4_EX_NOCACHE);
if (unlikely(IS_ERR(path2))) {
*erp = PTR_ERR(path2);
path2 = NULL;

2
fs/ext4/extents_status.c
Просмотреть файл

@ -426,7 +426,7 @@ static void ext4_es_insert_extent_ext_check(struct inode *inode,
unsigned short ee_len;
int depth, ee_status, es_status;
path = ext4_ext_find_extent(inode, es->es_lblk, NULL, EXT4_EX_NOCACHE);
path = ext4_find_extent(inode, es->es_lblk, NULL, EXT4_EX_NOCACHE);
if (IS_ERR(path))
return;

3
fs/ext4/migrate.c
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@ -41,8 +41,7 @@ static int finish_range(handle_t *handle, struct inode *inode,
ext4_ext_store_pblock(&newext, lb->first_pblock);
/* Locking only for convinience since we are operating on temp inode */
down_write(&EXT4_I(inode)->i_data_sem);
path = ext4_ext_find_extent(inode, lb->first_block, NULL, 0);
path = ext4_find_extent(inode, lb->first_block, NULL, 0);
if (IS_ERR(path)) {
retval = PTR_ERR(path);
path = NULL;

4
fs/ext4/move_extent.c
Просмотреть файл

@ -27,7 +27,7 @@
* @lblock: logical block number to find an extent path
* @path: pointer to an extent path pointer (for output)
*
* ext4_ext_find_extent wrapper. Return 0 on success, or a negative error value
* ext4_find_extent wrapper. Return 0 on success, or a negative error value
* on failure.
*/
static inline int
@ -36,7 +36,7 @@ get_ext_path(struct inode *inode, ext4_lblk_t lblock,
{
struct ext4_ext_path *path;
path = ext4_ext_find_extent(inode, lblock, ppath, EXT4_EX_NOCACHE);
path = ext4_find_extent(inode, lblock, ppath, EXT4_EX_NOCACHE);
if (IS_ERR(path))
return PTR_ERR(path);
if (path[ext_depth(inode)].p_ext == NULL) {