leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[XFS] remove some dead code from pagebuf

Browse Source 
SGI-PV: 934766
SGI-Modid: xfs-linux:xfs-kern:197783a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig 2005-09-05 08:28:16 +10:00 committed by Nathan Scott
parent 02ba71de98
commit 0f9fffbcc1
2 changed files with 0 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
fs/xfs/linux-2.6/xfs_buf.c
View File

@ -699,25 +699,6 @@ xfs_buf_read_flags(
return NULL; return NULL;
} }
/*
* Create a skeletal pagebuf (no pages associated with it).
*/
xfs_buf_t *
pagebuf_lookup(
xfs_buftarg_t *target,
loff_t ioff,
size_t isize,
page_buf_flags_t flags)
{
xfs_buf_t *pb;
pb = pagebuf_allocate(flags);
if (pb) {
_pagebuf_initialize(pb, target, ioff, isize, flags);
}
return pb;
}
/* /*
* If we are not low on memory then do the readahead in a deadlock * If we are not low on memory then do the readahead in a deadlock
* safe manner. * safe manner.
@ -891,17 +872,6 @@ pagebuf_rele(
PB_TRACE(pb, "rele", pb->pb_relse); PB_TRACE(pb, "rele", pb->pb_relse);
/*
* pagebuf_lookup buffers are not hashed, not delayed write,
* and don't have their own release routines. Special case.
*/
if (unlikely(!hash)) {
ASSERT(!pb->pb_relse);
if (atomic_dec_and_test(&pb->pb_hold))
xfs_buf_free(pb);
return;
}
if (atomic_dec_and_lock(&pb->pb_hold, &hash->bh_lock)) { if (atomic_dec_and_lock(&pb->pb_hold, &hash->bh_lock)) {
int do_free = 1; int do_free = 1;

7
fs/xfs/linux-2.6/xfs_buf.h
View File

@ -206,13 +206,6 @@ extern xfs_buf_t *xfs_buf_read_flags( /* allocate and read a buffer */
#define xfs_buf_read(target, blkno, len, flags) \ #define xfs_buf_read(target, blkno, len, flags) \
xfs_buf_read_flags((target), (blkno), (len), PBF_LOCK | PBF_MAPPED) xfs_buf_read_flags((target), (blkno), (len), PBF_LOCK | PBF_MAPPED)
extern xfs_buf_t *pagebuf_lookup(
xfs_buftarg_t *,
loff_t, /* starting offset of range */
size_t, /* length of range */
page_buf_flags_t); /* PBF_READ, PBF_WRITE, */
/* PBF_FORCEIO, */
extern xfs_buf_t *pagebuf_get_empty( /* allocate pagebuf struct with */ extern xfs_buf_t *pagebuf_get_empty( /* allocate pagebuf struct with */
/* no memory or disk address */ /* no memory or disk address */
size_t len, size_t len,