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| author | Yongqiang Yang <xiaoqiangnk@gmail.com> | 2011-10-29 09:23:38 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-10-29 09:23:38 -0400 |
| commit | 81fdbb4a8d34242f0ed048395c4ddc910f1dffbe (patch) | |
| tree | 1c7d4050d953d24388e1f0f35e48b8d08fa0bd64 /fs/ext4/extents.c | |
| parent | 5cb81dabcc28863e7d04e6fd9ede154bd8459c14 (diff) | |
| download | linux-3.10-81fdbb4a8d34242f0ed048395c4ddc910f1dffbe.tar.gz linux-3.10-81fdbb4a8d34242f0ed048395c4ddc910f1dffbe.tar.bz2 linux-3.10-81fdbb4a8d34242f0ed048395c4ddc910f1dffbe.zip | |
ext4: move variables to their scope
Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 29969622af8..05693804813 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -117,11 +117,9 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode, struct ext4_ext_path *path, ext4_lblk_t block) { - int depth; - if (path) { + int depth = path->p_depth; struct ext4_extent *ex; - depth = path->p_depth; /* * Try to predict block placement assuming that we are @@ -247,7 +245,7 @@ static inline int ext4_ext_space_root_idx(struct inode *inode, int check) int ext4_ext_calc_metadata_amount(struct inode *inode, ext4_lblk_t lblock) { struct ext4_inode_info *ei = EXT4_I(inode); - int idxs, num = 0; + int idxs; idxs = ((inode->i_sb->s_blocksize - sizeof(struct ext4_extent_header)) / sizeof(struct ext4_extent_idx)); @@ -262,6 +260,8 @@ int ext4_ext_calc_metadata_amount(struct inode *inode, ext4_lblk_t lblock) */ if (ei->i_da_metadata_calc_len && ei->i_da_metadata_calc_last_lblock+1 == lblock) { + int num = 0; + if ((ei->i_da_metadata_calc_len % idxs) == 0) num++; if ((ei->i_da_metadata_calc_len % (idxs*idxs)) == 0) @@ -324,8 +324,6 @@ static int ext4_valid_extent_entries(struct inode *inode, struct ext4_extent_header *eh, int depth) { - struct ext4_extent *ext; - struct ext4_extent_idx *ext_idx; unsigned short entries; if (eh->eh_entries == 0) return 1; @@ -334,7 +332,7 @@ static int ext4_valid_extent_entries(struct inode *inode, if (depth == 0) { /* leaf entries */ - ext = EXT_FIRST_EXTENT(eh); + struct ext4_extent *ext = EXT_FIRST_EXTENT(eh); while (entries) { if (!ext4_valid_extent(inode, ext)) return 0; @@ -342,7 +340,7 @@ static int ext4_valid_extent_entries(struct inode *inode, entries--; } } else { - ext_idx = EXT_FIRST_INDEX(eh); + struct ext4_extent_idx *ext_idx = EXT_FIRST_INDEX(eh); while (entries) { if (!ext4_valid_extent_idx(inode, ext_idx)) return 0; @@ -3722,13 +3720,12 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, ext4_fsblk_t newblock = 0; int free_on_err = 0, err = 0, depth, ret; unsigned int allocated = 0, offset = 0; - unsigned int allocated_clusters = 0, reserved_clusters = 0; + unsigned int allocated_clusters = 0; unsigned int punched_out = 0; unsigned int result = 0; struct ext4_allocation_request ar; ext4_io_end_t *io = EXT4_I(inode)->cur_aio_dio; ext4_lblk_t cluster_offset; - struct ext4_map_blocks punch_map; ext_debug("blocks %u/%u requested for inode %lu\n", map->m_lblk, map->m_len, inode->i_ino); @@ -3804,6 +3801,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, /* if found extent covers block, simply return it */ if (in_range(map->m_lblk, ee_block, ee_len)) { + struct ext4_map_blocks punch_map; ext4_fsblk_t partial_cluster = 0; newblock = map->m_lblk - ee_block + ee_start; @@ -4084,8 +4082,9 @@ got_allocated_blocks: * block allocation which had been deferred till now. */ if (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE) { + unsigned int reserved_clusters; /* - * Check how many clusters we had reserved this allocted range. + * Check how many clusters we had reserved this allocated range */ reserved_clusters = get_reserved_cluster_alloc(inode, map->m_lblk, allocated); |