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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-06-04 14:34:43 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-07-06 17:39:54 -0400 |
| commit | 71dd42846ffb2bd1a90e9ac2c52df0cc2ed92307 (patch) | |
| tree | 8d1780c4739c2fdb9e6f2cafa0be165463838b39 /fs/ufs | |
| parent | 4b7068c8b178401637ef2fb068d6256c97d23f4a (diff) | |
| download | lwn-71dd42846ffb2bd1a90e9ac2c52df0cc2ed92307.tar.gz lwn-71dd42846ffb2bd1a90e9ac2c52df0cc2ed92307.zip | |
ufs: use the branch depth in ufs_getfrag_block()
we'd already calculated it...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ufs')
| -rw-r--r-- | fs/ufs/inode.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 0f0c6dfccd10..5c4a4abae652 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -465,9 +465,7 @@ static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buff mutex_lock(&UFS_I(inode)->truncate_mutex); UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment); - if (fragment > - ((UFS_NDADDR + uspi->s_apb + uspi->s_2apb + uspi->s_3apb) - << uspi->s_fpbshift)) + if (!depth) goto abort_too_big; err = 0; @@ -490,17 +488,17 @@ static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buff ufs_inode_getblock(inode, bh, x, fragment, \ &err, NULL, NULL, NULL) - if (ptr < UFS_NDIR_FRAGMENT) { + if (depth == 1) { bh = GET_INODE_DATABLOCK(ptr); goto out; } ptr -= UFS_NDIR_FRAGMENT; - if (ptr < (1 << (uspi->s_apbshift + uspi->s_fpbshift))) { + if (depth == 2) { bh = GET_INODE_PTR(UFS_IND_FRAGMENT + (ptr >> uspi->s_apbshift)); goto get_indirect; } ptr -= 1 << (uspi->s_apbshift + uspi->s_fpbshift); - if (ptr < (1 << (uspi->s_2apbshift + uspi->s_fpbshift))) { + if (depth == 3) { bh = GET_INODE_PTR(UFS_DIND_FRAGMENT + (ptr >> uspi->s_2apbshift)); goto get_double; } |