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xfs: Refactor xfs_da_state_alloc() helper

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Every call to xfs_da_state_alloc() also requires setting up state->args
and state->mp

Change xfs_da_state_alloc() to receive an xfs_da_args_t as argument and
return a xfs_da_state_t with both args and mp already set.

Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
[darrick: reduce struct typedef usage]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Carlos Maiolino 2020-07-22 09:23:18 -07:00 committed by Darrick J. Wong
parent bae633a4a2
commit 4491a3dd71
5 changed files with 21 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
fs/xfs/libxfs/xfs_attr.c
View File

@ -739,7 +739,6 @@ xfs_attr_node_addname(
struct xfs_da_state *state;
struct xfs_da_state_blk *blk;
struct xfs_inode *dp;
struct xfs_mount *mp;
int retval, error;
trace_xfs_attr_node_addname(args);
@ -748,11 +747,8 @@ xfs_attr_node_addname(
* Fill in bucket of arguments/results/context to carry around.
*/
dp = args->dp;
mp = dp->i_mount;
restart:
state = xfs_da_state_alloc();
state->args = args;
state->mp = mp;
state = xfs_da_state_alloc(args);
/*
* Search to see if name already exists, and get back a pointer
@ -899,9 +895,8 @@ xfs_attr_node_addname(
* attr, not the "new" one.
*/
args->attr_filter |= XFS_ATTR_INCOMPLETE;
state = xfs_da_state_alloc();
state->args = args;
state->mp = mp;
state = xfs_da_state_alloc(args);
state->inleaf = 0;
error = xfs_da3_node_lookup_int(state, &retval);
if (error)
@ -975,9 +970,7 @@ xfs_attr_node_removename(
* Tie a string around our finger to remind us where we are.
*/
dp = args->dp;
state = xfs_da_state_alloc();
state->args = args;
state->mp = dp->i_mount;
state = xfs_da_state_alloc(args);
/*
* Search to see if name exists, and get back a pointer to it.
@ -1207,9 +1200,7 @@ xfs_attr_node_get(xfs_da_args_t *args)
trace_xfs_attr_node_get(args);
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state = xfs_da_state_alloc(args);
/*
* Search to see if name exists, and get back a pointer to it.

12
fs/xfs/libxfs/xfs_da_btree.c
View File

@ -78,10 +78,16 @@ kmem_zone_t *xfs_da_state_zone; /* anchor for state struct zone */
* Allocate a dir-state structure.
* We don't put them on the stack since they're large.
*/
xfs_da_state_t *
xfs_da_state_alloc(void)
struct xfs_da_state *
xfs_da_state_alloc(
struct xfs_da_args *args)
{
return kmem_cache_zalloc(xfs_da_state_zone, GFP_NOFS | __GFP_NOFAIL);
struct xfs_da_state *state;
state = kmem_cache_zalloc(xfs_da_state_zone, GFP_NOFS | __GFP_NOFAIL);
state->args = args;
state->mp = args->dp->i_mount;
return state;
}
/*

2
fs/xfs/libxfs/xfs_da_btree.h
View File

@ -219,7 +219,7 @@ enum xfs_dacmp xfs_da_compname(struct xfs_da_args *args,
const unsigned char *name, int len);
xfs_da_state_t *xfs_da_state_alloc(void);
struct xfs_da_state *xfs_da_state_alloc(struct xfs_da_args *args);
void xfs_da_state_free(xfs_da_state_t *state);
void xfs_da3_node_hdr_from_disk(struct xfs_mount *mp,

17
fs/xfs/libxfs/xfs_dir2_node.c
View File

@ -2015,9 +2015,7 @@ xfs_dir2_node_addname(
/*
* Allocate and initialize the state (btree cursor).
*/
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state = xfs_da_state_alloc(args);
/*
* Look up the name. We're not supposed to find it, but
* this gives us the insertion point.
@ -2086,9 +2084,8 @@ xfs_dir2_node_lookup(
/*
* Allocate and initialize the btree cursor.
*/
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state = xfs_da_state_alloc(args);
/*
* Fill in the path to the entry in the cursor.
*/
@ -2139,9 +2136,7 @@ xfs_dir2_node_removename(
/*
* Allocate and initialize the btree cursor.
*/
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state = xfs_da_state_alloc(args);
/* Look up the entry we're deleting, set up the cursor. */
error = xfs_da3_node_lookup_int(state, &rval);
@ -2206,9 +2201,7 @@ xfs_dir2_node_replace(
/*
* Allocate and initialize the btree cursor.
*/
state = xfs_da_state_alloc();
state->args = args;
state->mp = args->dp->i_mount;
state = xfs_da_state_alloc(args);
/*
* We have to save new inode number and ftype since

4
fs/xfs/scrub/dabtree.c
View File

@ -476,9 +476,7 @@ xchk_da_btree(
ds.dargs.whichfork = whichfork;
ds.dargs.trans = sc->tp;
ds.dargs.op_flags = XFS_DA_OP_OKNOENT;
ds.state = xfs_da_state_alloc();
ds.state->args = &ds.dargs;
ds.state->mp = mp;
ds.state = xfs_da_state_alloc(&ds.dargs);
ds.sc = sc;
ds.private = private;
if (whichfork == XFS_ATTR_FORK) {