[PATCH 01/29] xfs: remove the ATTR_INCOMPLETE flag

Christoph Hellwig
2020-01-14T08:15:20Z

Replace the ATTR_INCOMPLETE flag with a new boolean field in struct
xfs_attr_list_context.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/libxfs/xfs_attr.h | 5 ++---
fs/xfs/scrub/attr.c | 2 +-
fs/xfs/xfs_attr_list.c | 6 +-----
3 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
index 4243b2272642..71bcf1298e4c 100644
--- a/fs/xfs/libxfs/xfs_attr.h
+++ b/fs/xfs/libxfs/xfs_attr.h
@@ -36,11 +36,10 @@ struct xfs_attr_list_context;
#define ATTR_KERNOTIME 0x1000 /* [kernel] don't update inode timestamps */
#define ATTR_KERNOVAL 0x2000 /* [kernel] get attr size only, not value */

-#define ATTR_INCOMPLETE 0x4000 /* [kernel] return INCOMPLETE attr keys */
#define ATTR_ALLOC 0x8000 /* [kernel] allocate xattr buffer on demand */

#define ATTR_KERNEL_FLAGS \
- (ATTR_KERNOTIME | ATTR_KERNOVAL | ATTR_INCOMPLETE | ATTR_ALLOC)
+ (ATTR_KERNOTIME | ATTR_KERNOVAL | ATTR_ALLOC)

#define XFS_ATTR_FLAGS \
{ ATTR_DONTFOLLOW, "DONTFOLLOW" }, \
@@ -51,7 +50,6 @@ struct xfs_attr_list_context;
{ ATTR_REPLACE, "REPLACE" }, \
{ ATTR_KERNOTIME, "KERNOTIME" }, \
{ ATTR_KERNOVAL, "KERNOVAL" }, \
- { ATTR_INCOMPLETE, "INCOMPLETE" }, \
{ ATTR_ALLOC, "ALLOC" }

/*
@@ -123,6 +121,7 @@ typedef struct xfs_attr_list_context {
* error values to the xfs_attr_list caller.
*/
int seen_enough;
+ bool allow_incomplete;

ssize_t count; /* num used entries */
int dupcnt; /* count dup hashvals seen */
diff --git a/fs/xfs/scrub/attr.c b/fs/xfs/scrub/attr.c
index d9f0dd444b80..d804558cdbca 100644
--- a/fs/xfs/scrub/attr.c
+++ b/fs/xfs/scrub/attr.c
@@ -497,7 +497,7 @@ xchk_xattr(
sx.context.resynch = 1;
sx.context.put_listent = xchk_xattr_listent;
sx.context.tp = sc->tp;
- sx.context.flags = ATTR_INCOMPLETE;
+ sx.context.allow_incomplete = true;
sx.sc = sc;

/*
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index d37743bdf274..5139ef983cd6 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -452,7 +452,7 @@ xfs_attr3_leaf_list_int(
}

if ((entry->flags & XFS_ATTR_INCOMPLETE) &&
- !(context->flags & ATTR_INCOMPLETE))
+ !context->allow_incomplete)
continue; /* skip incomplete entries */

if (entry->flags & XFS_ATTR_LOCAL) {
@@ -632,10 +632,6 @@ xfs_attr_list(
(cursor->hashval || cursor->blkno || cursor->offset))
return -EINVAL;

- /* Only internal consumers can retrieve incomplete attrs. */
- if (flags & ATTR_INCOMPLETE)
- return -EINVAL;
-
/*
* Check for a properly aligned buffer.
*/
--
2.24.1