ufs_inode_getfrag(): pass index instead of 'fragment'
same story as with ufs_inode_getblock()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index d652f64..c05cf14 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -242,10 +242,8 @@
/**
* ufs_inode_getfrag() - allocate new fragment(s)
* @inode: pointer to inode
- * @fragment: number of `fragment' which hold pointer
- * to new allocated fragment(s)
+ * @index: number of block pointer within the inode's array.
* @new_fragment: number of new allocated fragment(s)
- * @required: how many fragment(s) we require
* @err: we set it if something wrong
* @phys: pointer to where we save physical number of new allocated fragments,
* NULL if we allocate not data(indirect blocks for example).
@@ -253,15 +251,14 @@
* @locked_page: for ufs_new_fragments()
*/
static u64
-ufs_inode_getfrag(struct inode *inode, u64 fragment,
- sector_t new_fragment, unsigned int required, int *err,
+ufs_inode_getfrag(struct inode *inode, unsigned index,
+ sector_t new_fragment, int *err,
long *phys, int *new, struct page *locked_page)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
struct super_block *sb = inode->i_sb;
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
- unsigned blockoff;
- u64 tmp, goal, lastfrag, block;
+ u64 tmp, goal, lastfrag;
unsigned nfrags = uspi->s_fpb;
void *p;
@@ -270,9 +267,7 @@
goto ufs2;
*/
- block = ufs_fragstoblks (fragment);
- blockoff = ufs_fragnum (fragment);
- p = ufs_get_direct_data_ptr(uspi, ufsi, block);
+ p = ufs_get_direct_data_ptr(uspi, ufsi, index);
tmp = ufs_data_ptr_to_cpu(sb, p);
if (tmp)
goto out;
@@ -284,13 +279,13 @@
nfrags = (new_fragment & uspi->s_fpbmask) + 1;
goal = 0;
- if (block) {
+ if (index) {
goal = ufs_data_ptr_to_cpu(sb,
- ufs_get_direct_data_ptr(uspi, ufsi, block - 1));
+ ufs_get_direct_data_ptr(uspi, ufsi, index - 1));
if (goal)
goal += uspi->s_fpb;
}
- tmp = ufs_new_fragments(inode, p, fragment - blockoff,
+ tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment),
goal, uspi->s_fpb, err,
phys != NULL ? locked_page : NULL);
@@ -408,7 +403,7 @@
int ret, err, new;
unsigned offsets[4];
int depth = ufs_block_to_path(inode, fragment >> uspi->s_fpbshift, offsets);
- unsigned long ptr,phys;
+ unsigned long phys;
u64 phys64 = 0;
unsigned frag = fragment & uspi->s_fpbmask;
@@ -446,38 +441,27 @@
}
}
- ptr = fragment;
-
if (depth == 1) {
- phys64 = ufs_inode_getfrag(inode, ptr, fragment, 1, &err, &phys,
- &new, bh_result->b_page);
+ phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
+ &err, &phys, &new, bh_result->b_page);
if (phys64) {
phys64 += frag;
phys = phys64;
}
goto out;
}
- ptr -= UFS_NDIR_FRAGMENT;
if (depth == 2) {
- phys64 = ufs_inode_getfrag(inode,
- UFS_IND_FRAGMENT + (ptr >> uspi->s_apbshift),
- fragment, uspi->s_fpb, &err, NULL, NULL,
- bh_result->b_page);
+ phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
+ &err, NULL, NULL, bh_result->b_page);
goto get_indirect;
}
- ptr -= 1 << (uspi->s_apbshift + uspi->s_fpbshift);
if (depth == 3) {
- phys64 = ufs_inode_getfrag(inode,
- UFS_DIND_FRAGMENT + (ptr >> uspi->s_2apbshift),
- fragment, uspi->s_fpb, &err, NULL, NULL,
- bh_result->b_page);
+ phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
+ &err, NULL, NULL, bh_result->b_page);
goto get_double;
}
- ptr -= 1 << (uspi->s_2apbshift + uspi->s_fpbshift);
- phys64 = ufs_inode_getfrag(inode,
- UFS_TIND_FRAGMENT + (ptr >> uspi->s_3apbshift),
- fragment, uspi->s_fpb, &err, NULL, NULL,
- bh_result->b_page);
+ phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
+ &err, NULL, NULL, bh_result->b_page);
phys64 = ufs_inode_getblock(inode, phys64, offsets[1],
fragment, &err, NULL, NULL, NULL);
get_double: