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>
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3bdf14b4d7
Коммит
ed8a1a766a
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@ -573,7 +573,7 @@ enum {
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/*
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* The bit position of these flags must not overlap with any of the
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* EXT4_GET_BLOCKS_*. They are used by ext4_ext_find_extent(),
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* EXT4_GET_BLOCKS_*. They are used by ext4_find_extent(),
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* read_extent_tree_block(), ext4_split_extent_at(),
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* ext4_ext_insert_extent(), and ext4_ext_create_new_leaf().
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* EXT4_EX_NOCACHE is used to indicate that the we shouldn't be
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@ -2732,9 +2732,9 @@ extern int ext4_can_extents_be_merged(struct inode *inode,
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extern int ext4_ext_insert_extent(handle_t *, struct inode *,
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struct ext4_ext_path **,
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struct ext4_extent *, int);
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extern struct ext4_ext_path *ext4_ext_find_extent(struct inode *, ext4_lblk_t,
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struct ext4_ext_path **,
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int flags);
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extern struct ext4_ext_path *ext4_find_extent(struct inode *, ext4_lblk_t,
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struct ext4_ext_path **,
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int flags);
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extern void ext4_ext_drop_refs(struct ext4_ext_path *);
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extern int ext4_ext_check_inode(struct inode *inode);
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extern int ext4_find_delalloc_range(struct inode *inode,
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@ -857,8 +857,8 @@ int ext4_ext_tree_init(handle_t *handle, struct inode *inode)
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}
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struct ext4_ext_path *
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ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
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struct ext4_ext_path **orig_path, int flags)
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ext4_find_extent(struct inode *inode, ext4_lblk_t block,
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struct ext4_ext_path **orig_path, int flags)
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{
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struct ext4_extent_header *eh;
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struct buffer_head *bh;
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@ -1366,7 +1366,7 @@ repeat:
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goto out;
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/* refill path */
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path = ext4_ext_find_extent(inode,
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path = ext4_find_extent(inode,
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(ext4_lblk_t)le32_to_cpu(newext->ee_block),
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ppath, gb_flags);
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if (IS_ERR(path))
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@ -1378,7 +1378,7 @@ repeat:
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goto out;
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/* refill path */
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path = ext4_ext_find_extent(inode,
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path = ext4_find_extent(inode,
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(ext4_lblk_t)le32_to_cpu(newext->ee_block),
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ppath, gb_flags);
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if (IS_ERR(path)) {
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@ -1951,7 +1951,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
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/*
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* Try to see whether we should rather test the extent on
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* right from ex, or from the left of ex. This is because
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* ext4_ext_find_extent() can return either extent on the
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* ext4_find_extent() can return either extent on the
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* left, or on the right from the searched position. This
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* will make merging more effective.
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*/
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@ -2034,7 +2034,7 @@ prepend:
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if (next != EXT_MAX_BLOCKS) {
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ext_debug("next leaf block - %u\n", next);
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BUG_ON(npath != NULL);
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npath = ext4_ext_find_extent(inode, next, NULL, 0);
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npath = ext4_find_extent(inode, next, NULL, 0);
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if (IS_ERR(npath))
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return PTR_ERR(npath);
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BUG_ON(npath->p_depth != path->p_depth);
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@ -2157,7 +2157,7 @@ static int ext4_fill_fiemap_extents(struct inode *inode,
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/* find extent for this block */
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down_read(&EXT4_I(inode)->i_data_sem);
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path = ext4_ext_find_extent(inode, block, &path, 0);
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path = ext4_find_extent(inode, block, &path, 0);
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if (IS_ERR(path)) {
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up_read(&EXT4_I(inode)->i_data_sem);
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err = PTR_ERR(path);
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@ -2840,7 +2840,7 @@ again:
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ext4_lblk_t ee_block;
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/* find extent for this block */
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path = ext4_ext_find_extent(inode, end, NULL, EXT4_EX_NOCACHE);
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path = ext4_find_extent(inode, end, NULL, EXT4_EX_NOCACHE);
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if (IS_ERR(path)) {
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ext4_journal_stop(handle);
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return PTR_ERR(path);
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@ -3314,7 +3314,7 @@ static int ext4_split_extent(handle_t *handle,
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* Update path is required because previous ext4_split_extent_at() may
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* result in split of original leaf or extent zeroout.
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*/
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path = ext4_ext_find_extent(inode, map->m_lblk, ppath, 0);
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path = ext4_find_extent(inode, map->m_lblk, ppath, 0);
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if (IS_ERR(path))
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return PTR_ERR(path);
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depth = ext_depth(inode);
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@ -3712,7 +3712,7 @@ static int ext4_convert_unwritten_extents_endio(handle_t *handle,
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EXT4_GET_BLOCKS_CONVERT);
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if (err < 0)
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return err;
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path = ext4_ext_find_extent(inode, map->m_lblk, ppath, 0);
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path = ext4_find_extent(inode, map->m_lblk, ppath, 0);
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if (IS_ERR(path))
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return PTR_ERR(path);
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depth = ext_depth(inode);
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@ -3940,7 +3940,7 @@ convert_initialized_extent(handle_t *handle, struct inode *inode,
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EXT4_GET_BLOCKS_CONVERT_UNWRITTEN);
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if (err < 0)
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return err;
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path = ext4_ext_find_extent(inode, map->m_lblk, ppath, 0);
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path = ext4_find_extent(inode, map->m_lblk, ppath, 0);
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if (IS_ERR(path))
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return PTR_ERR(path);
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depth = ext_depth(inode);
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@ -4266,7 +4266,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
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trace_ext4_ext_map_blocks_enter(inode, map->m_lblk, map->m_len, flags);
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/* find extent for this block */
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path = ext4_ext_find_extent(inode, map->m_lblk, NULL, 0);
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path = ext4_find_extent(inode, map->m_lblk, NULL, 0);
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if (IS_ERR(path)) {
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err = PTR_ERR(path);
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path = NULL;
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@ -4278,7 +4278,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
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/*
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* consistent leaf must not be empty;
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* this situation is possible, though, _during_ tree modification;
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* this is why assert can't be put in ext4_ext_find_extent()
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* this is why assert can't be put in ext4_find_extent()
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*/
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if (unlikely(path[depth].p_ext == NULL && depth != 0)) {
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EXT4_ERROR_INODE(inode, "bad extent address "
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@ -4363,7 +4363,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
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/*
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* If we are doing bigalloc, check to see if the extent returned
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* by ext4_ext_find_extent() implies a cluster we can use.
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* by ext4_find_extent() implies a cluster we can use.
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*/
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if (cluster_offset && ex &&
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get_implied_cluster_alloc(inode->i_sb, map, ex, path)) {
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@ -5300,7 +5300,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
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ext4_lblk_t ex_start, ex_end;
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/* Let path point to the last extent */
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path = ext4_ext_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL, 0);
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path = ext4_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL, 0);
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if (IS_ERR(path))
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return PTR_ERR(path);
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@ -5320,7 +5320,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
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* Don't start shifting extents until we make sure the hole is big
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* enough to accomodate the shift.
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*/
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path = ext4_ext_find_extent(inode, start - 1, &path, 0);
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path = ext4_find_extent(inode, start - 1, &path, 0);
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if (IS_ERR(path))
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return PTR_ERR(path);
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depth = path->p_depth;
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@ -5340,7 +5340,7 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
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/* Its safe to start updating extents */
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while (start < stop_block) {
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path = ext4_ext_find_extent(inode, start, &path, 0);
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path = ext4_find_extent(inode, start, &path, 0);
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if (IS_ERR(path))
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return PTR_ERR(path);
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depth = path->p_depth;
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@ -5537,7 +5537,7 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
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int e1_len, e2_len, len;
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int split = 0;
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path1 = ext4_ext_find_extent(inode1, lblk1, NULL, EXT4_EX_NOCACHE);
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path1 = ext4_find_extent(inode1, lblk1, NULL, EXT4_EX_NOCACHE);
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if (unlikely(IS_ERR(path1))) {
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*erp = PTR_ERR(path1);
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path1 = NULL;
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@ -5545,7 +5545,7 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
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count = 0;
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goto repeat;
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}
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path2 = ext4_ext_find_extent(inode2, lblk2, NULL, EXT4_EX_NOCACHE);
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path2 = ext4_find_extent(inode2, lblk2, NULL, EXT4_EX_NOCACHE);
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if (unlikely(IS_ERR(path2))) {
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*erp = PTR_ERR(path2);
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path2 = NULL;
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@ -426,7 +426,7 @@ static void ext4_es_insert_extent_ext_check(struct inode *inode,
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unsigned short ee_len;
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int depth, ee_status, es_status;
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path = ext4_ext_find_extent(inode, es->es_lblk, NULL, EXT4_EX_NOCACHE);
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path = ext4_find_extent(inode, es->es_lblk, NULL, EXT4_EX_NOCACHE);
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if (IS_ERR(path))
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return;
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@ -41,8 +41,7 @@ static int finish_range(handle_t *handle, struct inode *inode,
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ext4_ext_store_pblock(&newext, lb->first_pblock);
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/* Locking only for convinience since we are operating on temp inode */
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down_write(&EXT4_I(inode)->i_data_sem);
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path = ext4_ext_find_extent(inode, lb->first_block, NULL, 0);
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path = ext4_find_extent(inode, lb->first_block, NULL, 0);
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if (IS_ERR(path)) {
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retval = PTR_ERR(path);
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path = NULL;
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@ -27,7 +27,7 @@
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* @lblock: logical block number to find an extent path
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* @path: pointer to an extent path pointer (for output)
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*
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* ext4_ext_find_extent wrapper. Return 0 on success, or a negative error value
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* ext4_find_extent wrapper. Return 0 on success, or a negative error value
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* on failure.
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*/
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static inline int
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@ -36,7 +36,7 @@ get_ext_path(struct inode *inode, ext4_lblk_t lblock,
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{
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struct ext4_ext_path *path;
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path = ext4_ext_find_extent(inode, lblock, ppath, EXT4_EX_NOCACHE);
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path = ext4_find_extent(inode, lblock, ppath, EXT4_EX_NOCACHE);
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if (IS_ERR(path))
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return PTR_ERR(path);
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if (path[ext_depth(inode)].p_ext == NULL) {
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