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| author | Andreas Dilger <adilger@clusterfs.com> | 2002-05-16 03:20:07 -0600 |
|---|---|---|
| committer | Andreas Dilger <adilger@clusterfs.com> | 2002-05-16 03:20:07 -0600 |
| commit | 932a489cdf6bc83d69e59d3f8e0a57b733799ce1 (patch) | |
| tree | 47c7785dbe06875da0942ef42ad984dfbcb00616 /lib/ext2fs | |
| parent | 5e941d2979aeab97929de6c0682425dead3bae74 (diff) | |
| download | e2fsprogs-932a489cdf6bc83d69e59d3f8e0a57b733799ce1.tar.gz | |
Add support for creating and checking 8192-byte blocksize filesystems.
We complain if you try to create such a filesystem on a system with 4096
byte PAGE_SIZE.
Add checks for valid inode size for undocumented -I option.
Diffstat (limited to 'lib/ext2fs')
| -rw-r--r-- | lib/ext2fs/ext2_fs.h | 13 | ||||
| -rw-r--r-- | lib/ext2fs/initialize.c | 4 |
2 files changed, 9 insertions, 8 deletions
diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h index 11439654..b4d5ae69 100644 --- a/lib/ext2fs/ext2_fs.h +++ b/lib/ext2fs/ext2_fs.h @@ -67,9 +67,10 @@ /* * Macro-instructions used to manage several block sizes */ -#define EXT2_MIN_BLOCK_SIZE 1024 -#define EXT2_MAX_BLOCK_SIZE 4096 -#define EXT2_MIN_BLOCK_LOG_SIZE 10 +#define EXT2_MIN_BLOCK_LOG_SIZE 10 /* 1024 */ +#define EXT2_MAX_BLOCK_LOG_SIZE 13 /* 8192 */ +#define EXT2_MIN_BLOCK_SIZE (1 << EXT2_MIN_BLOCK_LOG_SIZE) +#define EXT2_MAX_BLOCK_SIZE (1 << EXT2_MAX_BLOCK_LOG_SIZE) #ifdef __KERNEL__ # define EXT2_BLOCK_SIZE(s) ((s)->s_blocksize) #else @@ -98,9 +99,9 @@ /* * Macro-instructions used to manage fragments */ -#define EXT2_MIN_FRAG_SIZE 1024 -#define EXT2_MAX_FRAG_SIZE 4096 -#define EXT2_MIN_FRAG_LOG_SIZE 10 +#define EXT2_MIN_FRAG_SIZE EXT2_MIN_BLOCK_SIZE +#define EXT2_MAX_FRAG_SIZE EXT2_MAX_BLOCK_SIZE +#define EXT2_MIN_FRAG_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE #ifdef __KERNEL__ # define EXT2_FRAG_SIZE(s) ((s)->u.ext2_sb.s_frag_size) # define EXT2_FRAGS_PER_BLOCK(s) ((s)->u.ext2_sb.s_frags_per_block) diff --git a/lib/ext2fs/initialize.c b/lib/ext2fs/initialize.c index d8fa2289..bf64c683 100644 --- a/lib/ext2fs/initialize.c +++ b/lib/ext2fs/initialize.c @@ -166,8 +166,8 @@ retry: EXT2_DESC_PER_BLOCK(super) - 1) / EXT2_DESC_PER_BLOCK(super); - /* n.b., fs->blocksize is <= 4096 */ - set_field(s_inodes_count, super->s_blocks_count/(4096/fs->blocksize)); + i = fs->blocksize >= 4096 ? 1 : 4096 / fs->blocksize; + set_field(s_inodes_count, super->s_blocks_count / i); /* * Make sure we have at least EXT2_FIRST_INO + 1 inodes, so |