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[XFS] remove bhv_lookup, _range version works aswell and has more useful

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semantics.

SGI-PV: 954580
SGI-Modid: xfs-linux-melb:xfs-kern:26563a

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig 2006-09-28 10:58:52 +10:00 committed by Tim Shimmin
parent 1121b219bf
commit fe48cae9ed
4 changed files with 2 additions and 25 deletions
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2
fs/xfs/linux-2.6/xfs_vnode.h
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@ -85,8 +85,6 @@ typedef enum {
#define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh))) #define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh)))
#define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name) #define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name)
#define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp) #define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp)
#define vn_bhv_lookup(bhp,ops) bhv_lookup(bhp,ops)
#define vn_bhv_lookup_unlocked(bhp,ops) bhv_lookup_unlocked(bhp,ops)
/* /*
* Vnode to Linux inode mapping. * Vnode to Linux inode mapping.

20
fs/xfs/xfs_behavior.c
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@ -109,26 +109,6 @@ bhv_remove_not_first(bhv_head_t *bhp, bhv_desc_t *bdp)
prev->bd_next = bdp->bd_next; /* remove from after prev */ prev->bd_next = bdp->bd_next; /* remove from after prev */
} }
/*
* Look for a specific ops vector on the specified behavior chain.
* Return the associated behavior descriptor. Or NULL, if not found.
*/
bhv_desc_t *
bhv_lookup(bhv_head_t *bhp, void *ops)
{
bhv_desc_t *curdesc;
for (curdesc = bhp->bh_first;
curdesc != NULL;
curdesc = curdesc->bd_next) {
if (curdesc->bd_ops == ops)
return curdesc;
}
return NULL;
}
/* /*
* Looks for the first behavior within a specified range of positions. * Looks for the first behavior within a specified range of positions.
* Return the associated behavior descriptor. Or NULL, if none found. * Return the associated behavior descriptor. Or NULL, if none found.

2
fs/xfs/xfs_behavior.h
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@ -176,12 +176,10 @@ extern void bhv_insert_initial(bhv_head_t *, bhv_desc_t *);
* Behavior module prototypes. * Behavior module prototypes.
*/ */
extern void bhv_remove_not_first(bhv_head_t *bhp, bhv_desc_t *bdp); extern void bhv_remove_not_first(bhv_head_t *bhp, bhv_desc_t *bdp);
extern bhv_desc_t * bhv_lookup(bhv_head_t *bhp, void *ops);
extern bhv_desc_t * bhv_lookup_range(bhv_head_t *bhp, int low, int high); extern bhv_desc_t * bhv_lookup_range(bhv_head_t *bhp, int low, int high);
extern bhv_desc_t * bhv_base(bhv_head_t *bhp); extern bhv_desc_t * bhv_base(bhv_head_t *bhp);
/* No bhv locking on Linux */ /* No bhv locking on Linux */
#define bhv_lookup_unlocked bhv_lookup
#define bhv_base_unlocked bhv_base #define bhv_base_unlocked bhv_base
#endif /* __XFS_BEHAVIOR_H__ */ #endif /* __XFS_BEHAVIOR_H__ */

3
fs/xfs/xfs_mount.h
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@ -541,7 +541,8 @@ static inline xfs_mount_t *xfs_bhvtom(bhv_desc_t *bdp)
#define XFS_VFSTOM(vfs) xfs_vfstom(vfs) #define XFS_VFSTOM(vfs) xfs_vfstom(vfs)
static inline xfs_mount_t *xfs_vfstom(bhv_vfs_t *vfs) static inline xfs_mount_t *xfs_vfstom(bhv_vfs_t *vfs)
{ {
return XFS_BHVTOM(bhv_lookup(VFS_BHVHEAD(vfs), &xfs_vfsops)); return XFS_BHVTOM(bhv_lookup_range(VFS_BHVHEAD(vfs),
VFS_POSITION_XFS, VFS_POSITION_XFS));
} }
#define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d) #define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d)