From: Vyacheslav Dubeyko <slava@xxxxxxxxxxx>
Subject: [RFC][STEP 1][PATCH 2/4] nilfs-utils: add xafile_init and xafile_exist flags support
This patch implements support of NILFS_FEATURE_COMPAT_INIT_XAFILE
and NILFS_FEATURE_COMPAT_RO_XAFILE flags support in functionality
of feature set routines.
Signed-off-by: Vyacheslav Dubeyko <slava@xxxxxxxxxxx>
CC: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
---
lib/feature.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/feature.c b/lib/feature.c
index b3317b7..d3bef8f 100644
--- a/lib/feature.c
+++ b/lib/feature.c
@@ -55,9 +55,13 @@ struct nilfs_feature {
static const struct nilfs_feature features[] = {
/* Compat features */
+ { NILFS_FEATURE_TYPE_COMPAT,
+ NILFS_FEATURE_COMPAT_INIT_XAFILE, "xafile_init" },
/* Read-only compat features */
{ NILFS_FEATURE_TYPE_COMPAT_RO,
NILFS_FEATURE_COMPAT_RO_BLOCK_COUNT, "block_count" },
+ { NILFS_FEATURE_TYPE_COMPAT_RO,
+ NILFS_FEATURE_COMPAT_RO_XAFILE, "xafile_exist" },
/* Incompat features */
/* End */
{ 0, 0, NULL }
@@ -221,6 +225,7 @@ int nilfs_edit_feature(const char *str, __u64 *compat_array,
}
if (nilfs_string2feature(cp, &type, &mask) < 0) {
+ errno = ENODATA;
ret = -1;
break;
}
@@ -231,6 +236,7 @@ int nilfs_edit_feature(const char *str, __u64 *compat_array,
NILFS_FEATURE_TYPE_NEGATE_FLAG;
if (bad_mask)
*bad_mask = mask;
+ errno = EINVAL;
ret = -1;
break;
}
@@ -241,6 +247,7 @@ int nilfs_edit_feature(const char *str, __u64 *compat_array,
*bad_type = type;
if (bad_mask)
*bad_mask = mask;
+ errno = EINVAL;
ret = -1;
break;
}
--
1.7.9.5
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