From: Allison Henderson <allison.henderson@oracle.com>
To: linux-xfs@vger.kernel.org
Subject: [PATCH v22 07/27] xfsprogs: Hoist xfs_attr_leaf_addname
Date: Mon, 26 Jul 2021 23:18:44 -0700 [thread overview]
Message-ID: <20210727061904.11084-8-allison.henderson@oracle.com> (raw)
In-Reply-To: <20210727061904.11084-1-allison.henderson@oracle.com>
Source kernel commit: 45adc55591f5d91b9b6c7752fa4253bf3de33886
This patch hoists xfs_attr_leaf_addname into the calling function. The
goal being to get all the code that will require state management into
the same scope. This isn't particularly aesthetic right away, but it is a
preliminary step to merging in the state machine code.
Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
---
include/xfs_trace.h | 1 -
libxfs/xfs_attr.c | 209 ++++++++++++++++++++++++----------------------------
2 files changed, 96 insertions(+), 114 deletions(-)
diff --git a/include/xfs_trace.h b/include/xfs_trace.h
index a100263..fa4d38d 100644
--- a/include/xfs_trace.h
+++ b/include/xfs_trace.h
@@ -148,7 +148,6 @@
#define trace_xfs_attr_leaf_flipflags(a) ((void) 0)
#define trace_xfs_attr_sf_addname(a) ((void) 0)
-#define trace_xfs_attr_leaf_addname(a) ((void) 0)
#define trace_xfs_attr_leaf_replace(a) ((void) 0)
#define trace_xfs_attr_leaf_removename(a) ((void) 0)
#define trace_xfs_attr_leaf_get(a) ((void) 0)
diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c
index 16e919d..9dc518a 100644
--- a/libxfs/xfs_attr.c
+++ b/libxfs/xfs_attr.c
@@ -44,9 +44,9 @@ STATIC int xfs_attr_shortform_addname(xfs_da_args_t *args);
* Internal routines when attribute list is one block.
*/
STATIC int xfs_attr_leaf_get(xfs_da_args_t *args);
-STATIC int xfs_attr_leaf_addname(xfs_da_args_t *args);
STATIC int xfs_attr_leaf_removename(xfs_da_args_t *args);
STATIC int xfs_attr_leaf_hasname(struct xfs_da_args *args, struct xfs_buf **bp);
+STATIC int xfs_attr_leaf_try_add(struct xfs_da_args *args, struct xfs_buf *bp);
/*
* Internal routines when attribute list is more than one block.
@@ -291,8 +291,9 @@ xfs_attr_set_args(
struct xfs_da_args *args)
{
struct xfs_inode *dp = args->dp;
+ struct xfs_buf *bp = NULL;
struct xfs_da_state *state = NULL;
- int error = 0;
+ int forkoff, error = 0;
/*
* If the attribute list is already in leaf format, jump straight to
@@ -307,10 +308,101 @@ xfs_attr_set_args(
}
if (xfs_attr_is_leaf(dp)) {
- error = xfs_attr_leaf_addname(args);
- if (error != -ENOSPC)
+ error = xfs_attr_leaf_try_add(args, bp);
+ if (error == -ENOSPC)
+ goto node;
+ else if (error)
+ return error;
+
+ /*
+ * Commit the transaction that added the attr name so that
+ * later routines can manage their own transactions.
+ */
+ error = xfs_trans_roll_inode(&args->trans, dp);
+ if (error)
+ return error;
+
+ /*
+ * If there was an out-of-line value, allocate the blocks we
+ * identified for its storage and copy the value. This is done
+ * after we create the attribute so that we don't overflow the
+ * maximum size of a transaction and/or hit a deadlock.
+ */
+ if (args->rmtblkno > 0) {
+ error = xfs_attr_rmtval_set(args);
+ if (error)
+ return error;
+ }
+
+ if (!(args->op_flags & XFS_DA_OP_RENAME)) {
+ /*
+ * Added a "remote" value, just clear the incomplete
+ *flag.
+ */
+ if (args->rmtblkno > 0)
+ error = xfs_attr3_leaf_clearflag(args);
+
+ return error;
+ }
+
+ /*
+ * If this is an atomic rename operation, we must "flip" the
+ * incomplete flags on the "new" and "old" attribute/value pairs
+ * so that one disappears and one appears atomically. Then we
+ * must remove the "old" attribute/value pair.
+ *
+ * In a separate transaction, set the incomplete flag on the
+ * "old" attr and clear the incomplete flag on the "new" attr.
+ */
+
+ error = xfs_attr3_leaf_flipflags(args);
+ if (error)
+ return error;
+ /*
+ * Commit the flag value change and start the next trans in
+ * series.
+ */
+ error = xfs_trans_roll_inode(&args->trans, args->dp);
+ if (error)
+ return error;
+
+ /*
+ * Dismantle the "old" attribute/value pair by removing a
+ * "remote" value (if it exists).
+ */
+ xfs_attr_restore_rmt_blk(args);
+
+ if (args->rmtblkno) {
+ error = xfs_attr_rmtval_invalidate(args);
+ if (error)
+ return error;
+
+ error = xfs_attr_rmtval_remove(args);
+ if (error)
+ return error;
+ }
+
+ /*
+ * Read in the block containing the "old" attr, then remove the
+ * "old" attr from that block (neat, huh!)
+ */
+ error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno,
+ &bp);
+ if (error)
return error;
+ xfs_attr3_leaf_remove(bp, args);
+
+ /*
+ * If the result is small enough, shrink it all into the inode.
+ */
+ forkoff = xfs_attr_shortform_allfit(bp, dp);
+ if (forkoff)
+ error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);
+ /* bp is gone due to xfs_da_shrink_inode */
+
+ return error;
+node:
/*
* Promote the attribute list to the Btree format.
*/
@@ -737,115 +829,6 @@ out_brelse:
return retval;
}
-
-/*
- * Add a name to the leaf attribute list structure
- *
- * This leaf block cannot have a "remote" value, we only call this routine
- * if bmap_one_block() says there is only one block (ie: no remote blks).
- */
-STATIC int
-xfs_attr_leaf_addname(
- struct xfs_da_args *args)
-{
- int error, forkoff;
- struct xfs_buf *bp = NULL;
- struct xfs_inode *dp = args->dp;
-
- trace_xfs_attr_leaf_addname(args);
-
- error = xfs_attr_leaf_try_add(args, bp);
- if (error)
- return error;
-
- /*
- * Commit the transaction that added the attr name so that
- * later routines can manage their own transactions.
- */
- error = xfs_trans_roll_inode(&args->trans, dp);
- if (error)
- return error;
-
- /*
- * If there was an out-of-line value, allocate the blocks we
- * identified for its storage and copy the value. This is done
- * after we create the attribute so that we don't overflow the
- * maximum size of a transaction and/or hit a deadlock.
- */
- if (args->rmtblkno > 0) {
- error = xfs_attr_rmtval_set(args);
- if (error)
- return error;
- }
-
- if (!(args->op_flags & XFS_DA_OP_RENAME)) {
- /*
- * Added a "remote" value, just clear the incomplete flag.
- */
- if (args->rmtblkno > 0)
- error = xfs_attr3_leaf_clearflag(args);
-
- return error;
- }
-
- /*
- * If this is an atomic rename operation, we must "flip" the incomplete
- * flags on the "new" and "old" attribute/value pairs so that one
- * disappears and one appears atomically. Then we must remove the "old"
- * attribute/value pair.
- *
- * In a separate transaction, set the incomplete flag on the "old" attr
- * and clear the incomplete flag on the "new" attr.
- */
-
- error = xfs_attr3_leaf_flipflags(args);
- if (error)
- return error;
- /*
- * Commit the flag value change and start the next trans in series.
- */
- error = xfs_trans_roll_inode(&args->trans, args->dp);
- if (error)
- return error;
-
- /*
- * Dismantle the "old" attribute/value pair by removing a "remote" value
- * (if it exists).
- */
- xfs_attr_restore_rmt_blk(args);
-
- if (args->rmtblkno) {
- error = xfs_attr_rmtval_invalidate(args);
- if (error)
- return error;
-
- error = xfs_attr_rmtval_remove(args);
- if (error)
- return error;
- }
-
- /*
- * Read in the block containing the "old" attr, then remove the "old"
- * attr from that block (neat, huh!)
- */
- error = xfs_attr3_leaf_read(args->trans, args->dp, args->blkno,
- &bp);
- if (error)
- return error;
-
- xfs_attr3_leaf_remove(bp, args);
-
- /*
- * If the result is small enough, shrink it all into the inode.
- */
- forkoff = xfs_attr_shortform_allfit(bp, dp);
- if (forkoff)
- error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);
- /* bp is gone due to xfs_da_shrink_inode */
-
- return error;
-}
-
/*
* Return EEXIST if attr is found, or ENOATTR if not
*/
--
2.7.4
next prev parent reply other threads:[~2021-07-27 6:19 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-27 6:18 [PATCH v22 00/27] Delayed Attributes Allison Henderson
2021-07-27 6:18 ` [PATCH v22 01/27] xfsprogs: Reverse apply 72b97ea40d Allison Henderson
2021-07-27 6:18 ` [PATCH v22 02/27] xfsprogs: Add xfs_attr_node_remove_name Allison Henderson
2021-07-27 6:18 ` [PATCH v22 03/27] xfsprogs: Refactor xfs_attr_set_shortform Allison Henderson
2021-07-27 6:18 ` [PATCH v22 04/27] xfsprogs: Separate xfs_attr_node_addname and xfs_attr_node_addname_clear_incomplete Allison Henderson
2021-07-27 6:18 ` [PATCH v22 05/27] xfsprogs: Add helper xfs_attr_node_addname_find_attr Allison Henderson
2021-07-27 6:18 ` [PATCH v22 06/27] xfsprogs: Hoist xfs_attr_node_addname Allison Henderson
2021-07-27 6:18 ` Allison Henderson [this message]
2021-07-27 6:18 ` [PATCH v22 08/27] xfsprogs: Hoist node transaction handling Allison Henderson
2021-07-27 6:18 ` [PATCH v22 09/27] xfsprogs: Add delay ready attr remove routines Allison Henderson
2021-07-27 6:18 ` [PATCH v22 10/27] xfsprogs: Add delay ready attr set routines Allison Henderson
2021-07-27 6:18 ` [PATCH v22 11/27] xfsprogs: Remove xfs_attr_rmtval_set Allison Henderson
2021-07-27 6:18 ` [PATCH v22 12/27] xfsprogs: Clean up xfs_attr_node_addname_clear_incomplete Allison Henderson
2021-07-27 6:18 ` [PATCH v22 13/27] xfsprogs: Fix default ASSERT in xfs_attr_set_iter Allison Henderson
2021-07-27 6:18 ` [PATCH v22 14/27] xfsprogs: Make attr name schemes consistent Allison Henderson
2021-07-27 6:18 ` [PATCH v22 15/27] xfs: allow setting and clearing of log incompat feature flags Allison Henderson
2021-07-27 6:18 ` [PATCH v22 16/27] xfsprogs: Return from xfs_attr_set_iter if there are no more rmtblks to process Allison Henderson
2021-07-27 6:18 ` [PATCH v22 17/27] xfsprogs: Add state machine tracepoints Allison Henderson
2021-07-27 6:18 ` [PATCH v22 18/27] xfsprogs: Rename __xfs_attr_rmtval_remove Allison Henderson
2021-07-27 6:18 ` [PATCH v22 19/27] xfsprogs: Set up infrastructure for deferred attribute operations Allison Henderson
2021-07-27 6:18 ` [PATCH v22 20/27] xfsprogs: Implement attr logging and replay Allison Henderson
2021-07-27 6:18 ` [PATCH v22 21/27] RFC xfsprogs: Skip flip flags for delayed attrs Allison Henderson
2021-07-27 6:18 ` [PATCH v22 22/27] xfsprogs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson
2021-07-27 6:19 ` [PATCH v22 23/27] xfsprogs: Remove unused xfs_attr_*_args Allison Henderson
2021-07-27 6:19 ` [PATCH v22 24/27] xfsprogs: Add delayed attributes error tag Allison Henderson
2021-07-27 6:19 ` [PATCH v22 25/27] xfsprogs: Merge xfs_delattr_context into xfs_attr_item Allison Henderson
2021-07-27 6:19 ` [PATCH v22 26/27] xfsprogs: Add helper function xfs_attr_leaf_addname Allison Henderson
2021-07-27 6:19 ` [PATCH v22 27/27] xfsprogs: Add log item printing for ATTRI and ATTRD Allison Henderson
2021-07-28 19:41 ` Darrick J. Wong
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