diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c index b04e09143869..f8f7445b063c 100644 --- a/fs/xfs/libxfs/xfs_attr.c +++ b/fs/xfs/libxfs/xfs_attr.c @@ -916,10 +916,6 @@ xfs_attr_defer_add( trace_xfs_attr_defer_add(new->xattri_dela_state, args->dp); } -/* - * Note: If args->value is NULL the attribute will be removed, just like the - * Linux ->setattr API. - */ int xfs_attr_set( struct xfs_da_args *args, @@ -955,7 +951,10 @@ xfs_attr_set( args->op_flags = XFS_DA_OP_OKNOENT | (args->op_flags & XFS_DA_OP_LOGGED); - if (args->value) { + switch (op) { + case XFS_ATTRUPDATE_UPSERT: + case XFS_ATTRUPDATE_CREATE: + case XFS_ATTRUPDATE_REPLACE: XFS_STATS_INC(mp, xs_attr_set); args->total = xfs_attr_calc_size(args, &local); @@ -975,9 +974,11 @@ xfs_attr_set( if (!local) rmt_blks = xfs_attr3_rmt_blocks(mp, args->valuelen); - } else { + break; + case XFS_ATTRUPDATE_REMOVE: XFS_STATS_INC(mp, xs_attr_remove); rmt_blks = xfs_attr3_rmt_blocks(mp, XFS_XATTR_SIZE_MAX); + break; } /* @@ -989,7 +990,7 @@ xfs_attr_set( if (error) return error; - if (args->value || xfs_inode_hasattr(dp)) { + if (op != XFS_ATTRUPDATE_REMOVE || xfs_inode_hasattr(dp)) { error = xfs_iext_count_may_overflow(dp, XFS_ATTR_FORK, XFS_IEXT_ATTR_MANIP_CNT(rmt_blks)); if (error == -EFBIG) @@ -1002,7 +1003,7 @@ xfs_attr_set( error = xfs_attr_lookup(args); switch (error) { case -EEXIST: - if (!args->value) { + if (op == XFS_ATTRUPDATE_REMOVE) { /* if no value, we are performing a remove operation */ xfs_attr_defer_add(args, XFS_ATTRI_OP_FLAGS_REMOVE); break; @@ -1015,7 +1016,7 @@ xfs_attr_set( break; case -ENOATTR: /* Can't remove what isn't there. */ - if (!args->value) + if (op == XFS_ATTRUPDATE_REMOVE) goto out_trans_cancel; /* Pure replace fails if no existing attr to replace. */ diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h index 228360f7c85c..c8005f52102a 100644 --- a/fs/xfs/libxfs/xfs_attr.h +++ b/fs/xfs/libxfs/xfs_attr.h @@ -546,7 +546,8 @@ int xfs_attr_get_ilocked(struct xfs_da_args *args); int xfs_attr_get(struct xfs_da_args *args); enum xfs_attr_update { - XFS_ATTRUPDATE_UPSERTR, /* set/remove value, replace any existing attr */ + XFS_ATTRUPDATE_REMOVE, /* remove attr */ + XFS_ATTRUPDATE_UPSERT, /* set value, replace any existing attr */ XFS_ATTRUPDATE_CREATE, /* set value, fail if attr already exists */ XFS_ATTRUPDATE_REPLACE, /* set value, fail if attr does not exist */ }; diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 12f98af9e709..c7c3dcfa2718 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -201,16 +201,17 @@ __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) if (!args.value) return -ENOMEM; xfs_acl_to_disk(args.value, acl); + error = xfs_attr_change(&args, XFS_ATTRUPDATE_UPSERT); + kvfree(args.value); + } else { + error = xfs_attr_change(&args, XFS_ATTRUPDATE_REMOVE); + /* + * If the attribute didn't exist to start with that's fine. + */ + if (error == -ENOATTR) + error = 0; } - error = xfs_attr_change(&args, XFS_ATTRUPDATE_UPSERTR); - kvfree(args.value); - - /* - * If the attribute didn't exist to start with that's fine. - */ - if (!acl && error == -ENOATTR) - error = 0; if (!error) set_cached_acl(inode, type, acl); return error; diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0eca7a9096e2..e30f9f40f086 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -363,13 +363,16 @@ xfs_attr_filter( static inline enum xfs_attr_update xfs_xattr_flags( - u32 ioc_flags) + u32 ioc_flags, + void *value) { + if (!value) + return XFS_ATTRUPDATE_REMOVE; if (ioc_flags & XFS_IOC_ATTR_CREATE) return XFS_ATTRUPDATE_CREATE; if (ioc_flags & XFS_IOC_ATTR_REPLACE) return XFS_ATTRUPDATE_REPLACE; - return XFS_ATTRUPDATE_UPSERTR; + return XFS_ATTRUPDATE_UPSERT; } int @@ -526,7 +529,7 @@ xfs_attrmulti_attr_set( args.valuelen = len; } - error = xfs_attr_change(&args, xfs_xattr_flags(flags)); + error = xfs_attr_change(&args, xfs_xattr_flags(flags, args.value)); if (!error && (flags & XFS_IOC_ATTR_ROOT)) xfs_forget_acl(inode, name); kfree(args.value); diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index d02ca2248bbc..659fd10c0cda 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -63,7 +63,7 @@ xfs_initxattrs( .value = xattr->value, .valuelen = xattr->value_len, }; - error = xfs_attr_change(&args, XFS_ATTRUPDATE_UPSERTR); + error = xfs_attr_change(&args, XFS_ATTRUPDATE_UPSERT); if (error < 0) break; } diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c index 6ce1e06f650a..0cbb93cf2869 100644 --- a/fs/xfs/xfs_xattr.c +++ b/fs/xfs/xfs_xattr.c @@ -118,13 +118,16 @@ xfs_xattr_get(const struct xattr_handler *handler, struct dentry *unused, static inline enum xfs_attr_update xfs_xattr_flags_to_op( - int flags) + int flags, + const void *value) { + if (!value) + return XFS_ATTRUPDATE_REMOVE; if (flags & XATTR_CREATE) return XFS_ATTRUPDATE_CREATE; if (flags & XATTR_REPLACE) return XFS_ATTRUPDATE_REPLACE; - return XFS_ATTRUPDATE_UPSERTR; + return XFS_ATTRUPDATE_UPSERT; } static int @@ -143,7 +146,7 @@ xfs_xattr_set(const struct xattr_handler *handler, }; int error; - error = xfs_attr_change(&args, xfs_xattr_flags_to_op(flags)); + error = xfs_attr_change(&args, xfs_xattr_flags_to_op(flags, value)); if (!error && (handler->flags & XFS_ATTR_ROOT)) xfs_forget_acl(inode, name); return error;