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xfs: small cleanups for xfs_iomap / __xfs_get_blocks

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Remove the flags argument to  __xfs_get_blocks as we can easily derive
it from the direct argument, and remove the unused BMAPI_MMAP flag.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Christoph Hellwig 2010-06-24 11:44:35 +10:00 • committed by Alex Elder
parent 3070451eea
commit f2bde9b89b
3 changed files with 10 additions and 11 deletions
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17
fs/xfs/linux-2.6/xfs_aops.c
View file

@ -1295,9 +1295,9 @@ __xfs_get_blocks(
sector_t iblock,
struct buffer_head *bh_result,
int create,
int direct,
bmapi_flags_t flags)
int direct)
{
int flags = create ? BMAPI_WRITE : BMAPI_READ;
struct xfs_bmbt_irec imap;
xfs_off_t offset;
ssize_t size;
@ -1312,8 +1312,11 @@ __xfs_get_blocks(
if (!create && direct && offset >= i_size_read(inode))
return 0;
error = xfs_iomap(XFS_I(inode), offset, size,
create ? flags : BMAPI_READ, &imap, &nimap, &new);
if (direct && create)
flags |= BMAPI_DIRECT;
error = xfs_iomap(XFS_I(inode), offset, size, flags, &imap, &nimap,
&new);
if (error)
return -error;
if (nimap == 0)
@ -1393,8 +1396,7 @@ xfs_get_blocks(
struct buffer_head *bh_result,
int create)
{
return __xfs_get_blocks(inode, iblock,
bh_result, create, 0, BMAPI_WRITE);
return __xfs_get_blocks(inode, iblock, bh_result, create, 0);
}
STATIC int
@ -1404,8 +1406,7 @@ xfs_get_blocks_direct(
struct buffer_head *bh_result,
int create)
{
return __xfs_get_blocks(inode, iblock,
bh_result, create, 1, BMAPI_WRITE|BMAPI_DIRECT);
return __xfs_get_blocks(inode, iblock, bh_result, create, 1);
}
STATIC void

2
fs/xfs/xfs_iomap.c
View file

@ -133,7 +133,7 @@ xfs_iomap(
break;
}
if (flags & (BMAPI_DIRECT|BMAPI_MMAP)) {
if (flags & BMAPI_DIRECT) {
error = xfs_iomap_write_direct(ip, offset, count, flags,
imap, nimaps);
} else {

2
fs/xfs/xfs_iomap.h
View file

@ -26,7 +26,6 @@ typedef enum {
/* modifiers */
BMAPI_IGNSTATE = (1 << 4), /* ignore unwritten state on read */
BMAPI_DIRECT = (1 << 5), /* direct instead of buffered write */
BMAPI_MMAP = (1 << 6), /* allocate for mmap write */
BMAPI_TRYLOCK = (1 << 7), /* non-blocking request */
} bmapi_flags_t;
@ -36,7 +35,6 @@ typedef enum {
{ BMAPI_ALLOCATE, "ALLOCATE" }, \
{ BMAPI_IGNSTATE, "IGNSTATE" }, \
{ BMAPI_DIRECT, "DIRECT" }, \
{ BMAPI_MMAP, "MMAP" }, \
{ BMAPI_TRYLOCK, "TRYLOCK" }
struct xfs_inode;