diff options
Diffstat (limited to 'fs/ext4/inode.c')
-rw-r--r-- | fs/ext4/inode.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index e659597b690b..db3cc913ee8f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c | |||
@@ -552,7 +552,7 @@ static ext4_fsblk_t ext4_find_goal(struct inode *inode, ext4_lblk_t block, | |||
552 | } | 552 | } |
553 | 553 | ||
554 | /** | 554 | /** |
555 | * ext4_blks_to_allocate: Look up the block map and count the number | 555 | * ext4_blks_to_allocate - Look up the block map and count the number |
556 | * of direct blocks need to be allocated for the given branch. | 556 | * of direct blocks need to be allocated for the given branch. |
557 | * | 557 | * |
558 | * @branch: chain of indirect blocks | 558 | * @branch: chain of indirect blocks |
@@ -591,13 +591,19 @@ static int ext4_blks_to_allocate(Indirect *branch, int k, unsigned int blks, | |||
591 | 591 | ||
592 | /** | 592 | /** |
593 | * ext4_alloc_blocks: multiple allocate blocks needed for a branch | 593 | * ext4_alloc_blocks: multiple allocate blocks needed for a branch |
594 | * @handle: handle for this transaction | ||
595 | * @inode: inode which needs allocated blocks | ||
596 | * @iblock: the logical block to start allocated at | ||
597 | * @goal: preferred physical block of allocation | ||
594 | * @indirect_blks: the number of blocks need to allocate for indirect | 598 | * @indirect_blks: the number of blocks need to allocate for indirect |
595 | * blocks | 599 | * blocks |
596 | * | 600 | * @blks: number of desired blocks |
597 | * @new_blocks: on return it will store the new block numbers for | 601 | * @new_blocks: on return it will store the new block numbers for |
598 | * the indirect blocks(if needed) and the first direct block, | 602 | * the indirect blocks(if needed) and the first direct block, |
599 | * @blks: on return it will store the total number of allocated | 603 | * @err: on return it will store the error code |
600 | * direct blocks | 604 | * |
605 | * This function will return the number of blocks allocated as | ||
606 | * requested by the passed-in parameters. | ||
601 | */ | 607 | */ |
602 | static int ext4_alloc_blocks(handle_t *handle, struct inode *inode, | 608 | static int ext4_alloc_blocks(handle_t *handle, struct inode *inode, |
603 | ext4_lblk_t iblock, ext4_fsblk_t goal, | 609 | ext4_lblk_t iblock, ext4_fsblk_t goal, |
@@ -711,9 +717,11 @@ failed_out: | |||
711 | 717 | ||
712 | /** | 718 | /** |
713 | * ext4_alloc_branch - allocate and set up a chain of blocks. | 719 | * ext4_alloc_branch - allocate and set up a chain of blocks. |
720 | * @handle: handle for this transaction | ||
714 | * @inode: owner | 721 | * @inode: owner |
715 | * @indirect_blks: number of allocated indirect blocks | 722 | * @indirect_blks: number of allocated indirect blocks |
716 | * @blks: number of allocated direct blocks | 723 | * @blks: number of allocated direct blocks |
724 | * @goal: preferred place for allocation | ||
717 | * @offsets: offsets (in the blocks) to store the pointers to next. | 725 | * @offsets: offsets (in the blocks) to store the pointers to next. |
718 | * @branch: place to store the chain in. | 726 | * @branch: place to store the chain in. |
719 | * | 727 | * |
@@ -826,6 +834,7 @@ failed: | |||
826 | 834 | ||
827 | /** | 835 | /** |
828 | * ext4_splice_branch - splice the allocated branch onto inode. | 836 | * ext4_splice_branch - splice the allocated branch onto inode. |
837 | * @handle: handle for this transaction | ||
829 | * @inode: owner | 838 | * @inode: owner |
830 | * @block: (logical) number of block we are adding | 839 | * @block: (logical) number of block we are adding |
831 | * @chain: chain of indirect blocks (with a missing link - see | 840 | * @chain: chain of indirect blocks (with a missing link - see |