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[PATCH] JFS: Support page sizes greater than 4K

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jfs has never worked on architecutures where the page size was not 4K.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dave Kleikamp
2005-05-02 12:25:02 -06:00
committed by Linus Torvalds
parent dc5798d9a7
commit 7fab479beb
13 changed files with 810 additions and 466 deletions
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31
fs/jfs/inode.c
View File

@ -175,31 +175,22 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
{
s64 lblock64 = lblock;
int rc = 0;
int take_locks;
xad_t xad;
s64 xaddr;
int xflag;
s32 xlen;
/*
* If this is a special inode (imap, dmap)
* the lock should already be taken
*/
take_locks = (JFS_IP(ip)->fileset != AGGREGATE_I);
/*
* Take appropriate lock on inode
*/
if (take_locks) {
if (create)
IWRITE_LOCK(ip);
else
IREAD_LOCK(ip);
}
if (create)
IWRITE_LOCK(ip);
else
IREAD_LOCK(ip);
if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) &&
(xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)
== 0) && xlen) {
(!xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)) &&
xlen) {
if (xflag & XAD_NOTRECORDED) {
if (!create)
/*
@ -258,12 +249,10 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks,
/*
* Release lock on inode
*/
if (take_locks) {
if (create)
IWRITE_UNLOCK(ip);
else
IREAD_UNLOCK(ip);
}
if (create)
IWRITE_UNLOCK(ip);
else
IREAD_UNLOCK(ip);
return rc;
}