diff options
| author | Mingming Cao <cmm@us.ibm.com> | 2006-10-11 10:21:05 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 20:14:16 +0200 |
| commit | 3a5b2ecdd1fa63a8f25bd769223bc1c2564ce45d (patch) | |
| tree | dc80fdde9ed01e77ef0ed6fdef7573d303bd07db /fs/ext4/ialloc.c | |
| parent | [PATCH] ext3: add extent map support (diff) | |
| download | linux-3a5b2ecdd1fa63a8f25bd769223bc1c2564ce45d.tar.xz linux-3a5b2ecdd1fa63a8f25bd769223bc1c2564ce45d.zip | |
[PATCH] ext4: switch fsblk to sector_t
Redefine ext3 in-kernel filesystem block type (ext3_fsblk_t) from unsigned
long to sector_t, to allow kernel to handle >32 bit ext3 blocks.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index e17a6c918d72..94e1bb4abe31 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -23,7 +23,7 @@ #include <linux/buffer_head.h> #include <linux/random.h> #include <linux/bitops.h> - +#include <linux/blkdev.h> #include <asm/byteorder.h> #include "xattr.h" @@ -274,7 +274,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) freei = percpu_counter_read_positive(&sbi->s_freeinodes_counter); avefreei = freei / ngroups; freeb = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - avefreeb = freeb / ngroups; + avefreeb = freeb; + sector_div(avefreeb, ngroups); ndirs = percpu_counter_read_positive(&sbi->s_dirs_counter); if ((parent == sb->s_root->d_inode) || @@ -303,13 +304,15 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent) goto fallback; } - blocks_per_dir = (le32_to_cpu(es->s_blocks_count) - freeb) / ndirs; + blocks_per_dir = le32_to_cpu(es->s_blocks_count) - freeb; + sector_div(blocks_per_dir, ndirs); max_dirs = ndirs / ngroups + inodes_per_group / 16; min_inodes = avefreei - inodes_per_group / 4; min_blocks = avefreeb - EXT4_BLOCKS_PER_GROUP(sb) / 4; - max_debt = EXT4_BLOCKS_PER_GROUP(sb) / max(blocks_per_dir, (ext4_fsblk_t)BLOCK_COST); + max_debt = EXT4_BLOCKS_PER_GROUP(sb); + sector_div(max_debt, max(blocks_per_dir, (ext4_fsblk_t)BLOCK_COST)); if (max_debt * INODE_COST > inodes_per_group) max_debt = inodes_per_group / INODE_COST; if (max_debt > 255) |