diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index ad44d779650d..5f56b059dfc7 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -52,7 +52,10 @@ STATIC int xfs_attr_leaf_hasname(struct xfs_da_args *args, struct xfs_buf **bp); * Internal routines when attribute list is more than one block. */ STATIC int xfs_attr_node_get(xfs_da_args_t *args); -STATIC int xfs_attr_node_addname(xfs_da_args_t *args); +STATIC int xfs_attr_node_addname(struct xfs_da_args *args, + struct xfs_da_state *state); +STATIC int xfs_attr_node_addname_find_attr(struct xfs_da_args *args, + struct xfs_da_state **state); STATIC int xfs_attr_node_removename(xfs_da_args_t *args); STATIC int xfs_attr_node_addname_clear_incomplete(struct xfs_da_args *args); STATIC int xfs_attr_node_hasname(xfs_da_args_t *args, @@ -287,6 +290,7 @@ xfs_attr_set_args( struct xfs_da_args *args) { struct xfs_inode *dp = args->dp; + struct xfs_da_state *state; int error; /* @@ -332,7 +336,14 @@ xfs_attr_set_args( return error; } - return xfs_attr_node_addname(args); + do { + error = xfs_attr_node_addname_find_attr(args, &state); + if (error) + return error; + error = xfs_attr_node_addname(args, state); + } while (error == -EAGAIN); + + return error; } /* @@ -896,48 +907,26 @@ xfs_attr_node_hasname( * External routines when attribute list size > geo->blksize *========================================================================*/ -/* - * Add a name to a Btree-format attribute list. - * - * This will involve walking down the Btree, and may involve splitting - * leaf nodes and even splitting intermediate nodes up to and including - * the root node (a special case of an intermediate node). - * - * "Remote" attribute values confuse the issue and atomic rename operations - * add a whole extra layer of confusion on top of that. - */ STATIC int -xfs_attr_node_addname( - struct xfs_da_args *args) +xfs_attr_node_addname_find_attr( + struct xfs_da_args *args, + struct xfs_da_state **state) { - struct xfs_da_state *state; - struct xfs_da_state_blk *blk; - struct xfs_inode *dp; - int retval, error; + int retval; - trace_xfs_attr_node_addname(args); - - /* - * Fill in bucket of arguments/results/context to carry around. - */ - dp = args->dp; -restart: /* * Search to see if name already exists, and get back a pointer * to where it should go. */ - error = 0; - retval = xfs_attr_node_hasname(args, &state); + retval = xfs_attr_node_hasname(args, state); if (retval != -ENOATTR && retval != -EEXIST) - goto out; + goto error; - blk = &state->path.blk[ state->path.active-1 ]; - ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC); if (retval == -ENOATTR && (args->attr_flags & XATTR_REPLACE)) - goto out; + goto error; if (retval == -EEXIST) { if (args->attr_flags & XATTR_CREATE) - goto out; + goto error; trace_xfs_attr_node_replace(args); @@ -955,6 +944,38 @@ restart: args->rmtvaluelen = 0; } + return 0; +error: + if (*state) + xfs_da_state_free(*state); + return retval; +} + +/* + * Add a name to a Btree-format attribute list. + * + * This will involve walking down the Btree, and may involve splitting + * leaf nodes and even splitting intermediate nodes up to and including + * the root node (a special case of an intermediate node). + * + * "Remote" attribute values confuse the issue and atomic rename operations + * add a whole extra layer of confusion on top of that. + */ +STATIC int +xfs_attr_node_addname( + struct xfs_da_args *args, + struct xfs_da_state *state) +{ + struct xfs_da_state_blk *blk; + struct xfs_inode *dp; + int retval, error; + + trace_xfs_attr_node_addname(args); + + dp = args->dp; + blk = &state->path.blk[state->path.active-1]; + ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC); + retval = xfs_attr3_leaf_add(blk->bp, state->args); if (retval == -ENOSPC) { if (state->path.active == 1) { @@ -980,7 +1001,7 @@ restart: if (error) goto out; - goto restart; + return -EAGAIN; } /*