diff options
Diffstat (limited to 'lib/ext2fs/bmap.c')
| -rw-r--r-- | lib/ext2fs/bmap.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/lib/ext2fs/bmap.c b/lib/ext2fs/bmap.c index be7ccbc9..4edf425e 100644 --- a/lib/ext2fs/bmap.c +++ b/lib/ext2fs/bmap.c @@ -26,14 +26,14 @@ #endif extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, + struct ext2_inode *inode, char *block_buf, int bmap_flags, blk_t block, blk_t *phys_blk); #define inode_bmap(inode, nr) ((inode)->i_block[(nr)]) -static _BMAP_INLINE_ errcode_t block_ind_bmap(ext2_filsys fs, int flags, - blk_t ind, char *block_buf, +static _BMAP_INLINE_ errcode_t block_ind_bmap(ext2_filsys fs, int flags, + blk_t ind, char *block_buf, int *blocks_alloc, blk_t nr, blk_t *ret_blk) { @@ -90,17 +90,17 @@ static _BMAP_INLINE_ errcode_t block_ind_bmap(ext2_filsys fs, int flags, } static _BMAP_INLINE_ errcode_t block_dind_bmap(ext2_filsys fs, int flags, - blk_t dind, char *block_buf, + blk_t dind, char *block_buf, int *blocks_alloc, blk_t nr, blk_t *ret_blk) { blk_t b; errcode_t retval; blk_t addr_per_block; - + addr_per_block = (blk_t) fs->blocksize >> 2; - retval = block_ind_bmap(fs, flags & ~BMAP_SET, dind, block_buf, + retval = block_ind_bmap(fs, flags & ~BMAP_SET, dind, block_buf, blocks_alloc, nr / addr_per_block, &b); if (retval) return retval; @@ -110,17 +110,17 @@ static _BMAP_INLINE_ errcode_t block_dind_bmap(ext2_filsys fs, int flags, } static _BMAP_INLINE_ errcode_t block_tind_bmap(ext2_filsys fs, int flags, - blk_t tind, char *block_buf, + blk_t tind, char *block_buf, int *blocks_alloc, blk_t nr, blk_t *ret_blk) { blk_t b; errcode_t retval; blk_t addr_per_block; - + addr_per_block = (blk_t) fs->blocksize >> 2; - retval = block_dind_bmap(fs, flags & ~BMAP_SET, tind, block_buf, + retval = block_dind_bmap(fs, flags & ~BMAP_SET, tind, block_buf, blocks_alloc, nr / addr_per_block, &b); if (retval) return retval; @@ -224,7 +224,7 @@ errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, *phys_blk = inode_bmap(inode, block); b = block ? inode_bmap(inode, block-1) : 0; - + if ((*phys_blk == 0) && (bmap_flags & BMAP_ALLOC)) { retval = ext2fs_alloc_block(fs, b, block_buf, &b); if (retval) @@ -235,7 +235,7 @@ errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, } goto done; } - + /* Indirect block */ block -= EXT2_NDIR_BLOCKS; blk32 = *phys_blk; @@ -255,13 +255,13 @@ errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, inode_bmap(inode, EXT2_IND_BLOCK) = b; blocks_alloc++; } - retval = block_ind_bmap(fs, bmap_flags, b, block_buf, + retval = block_ind_bmap(fs, bmap_flags, b, block_buf, &blocks_alloc, block, &blk32); if (retval == 0) *phys_blk = blk32; goto done; } - + /* Doubly indirect block */ block -= addr_per_block; if (block < addr_per_block * addr_per_block) { @@ -280,7 +280,7 @@ errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, inode_bmap(inode, EXT2_DIND_BLOCK) = b; blocks_alloc++; } - retval = block_dind_bmap(fs, bmap_flags, b, block_buf, + retval = block_dind_bmap(fs, bmap_flags, b, block_buf, &blocks_alloc, block, &blk32); if (retval == 0) *phys_blk = blk32; @@ -304,7 +304,7 @@ errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, inode_bmap(inode, EXT2_TIND_BLOCK) = b; blocks_alloc++; } - retval = block_tind_bmap(fs, bmap_flags, b, block_buf, + retval = block_tind_bmap(fs, bmap_flags, b, block_buf, &blocks_alloc, block, &blk32); if (retval == 0) *phys_blk = blk32; |