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devs: rename dev_is_md dev_is_md_component

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The naming was confusing and misleading since
it it's testing if a device is an md component,
not an md device.
This commit is contained in:
David Teigland 2019-05-21 11:44:39 -05:00
parent 0c26aa13ca
commit 19ef399ea7
5 changed files with 24 additions and 11 deletions
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27
lib/device/dev-md.c
View File

@ -88,8 +88,21 @@ static uint64_t _v1_sb_offset(uint64_t size, md_minor_version_t minor_version)
return sb_offset;
}
/*
* _udev_dev_is_md_component() only works if
* external_device_info_source="udev"
*
* but
*
* udev_dev_is_md_component() in dev-type.c only works if
* obtain_device_list_from_udev=1
*
* and neither of those config setting matches very well
* with what we're doing here.
*/
#ifdef UDEV_SYNC_SUPPORT
static int _udev_dev_is_md(struct device *dev)
static int _udev_dev_is_md_component(struct device *dev)
{
const char *value;
struct dev_ext *ext;
@ -103,7 +116,7 @@ static int _udev_dev_is_md(struct device *dev)
return !strcmp(value, DEV_EXT_UDEV_BLKID_TYPE_SW_RAID);
}
#else
static int _udev_dev_is_md(struct device *dev)
static int _udev_dev_is_md_component(struct device *dev)
{
return 0;
}
@ -112,7 +125,7 @@ static int _udev_dev_is_md(struct device *dev)
/*
* Returns -1 on error
*/
static int _native_dev_is_md(struct device *dev, uint64_t *offset_found, int full)
static int _native_dev_is_md_component(struct device *dev, uint64_t *offset_found, int full)
{
md_minor_version_t minor;
uint64_t size, sb_offset;
@ -188,7 +201,7 @@ out:
return ret;
}
int dev_is_md(struct device *dev, uint64_t *offset_found, int full)
int dev_is_md_component(struct device *dev, uint64_t *offset_found, int full)
{
int ret;
@ -198,7 +211,7 @@ int dev_is_md(struct device *dev, uint64_t *offset_found, int full)
* information is not in udev db.
*/
if ((dev->ext.src == DEV_EXT_NONE) || offset_found) {
ret = _native_dev_is_md(dev, offset_found, full);
ret = _native_dev_is_md_component(dev, offset_found, full);
if (!full) {
if (!ret || (ret == -EAGAIN)) {
@ -210,7 +223,7 @@ int dev_is_md(struct device *dev, uint64_t *offset_found, int full)
}
if (dev->ext.src == DEV_EXT_UDEV)
return _udev_dev_is_md(dev);
return _udev_dev_is_md_component(dev);
log_error(INTERNAL_ERROR "Missing hook for MD device recognition "
"using external device info source %s", dev_ext_name(dev));
@ -439,7 +452,7 @@ int dev_is_md_with_end_superblock(struct dev_types *dt, struct device *dev)
#else
int dev_is_md(struct device *dev __attribute__((unused)),
int dev_is_md_component(struct device *dev __attribute__((unused)),
uint64_t *sb __attribute__((unused)))
{
return 0;

2
lib/device/dev-type.c
View File

@ -866,7 +866,7 @@ static int _wipe_known_signatures_with_lvm(struct device *dev, const char *name,
wiped = &wiped_tmp;
*wiped = 0;
if (!_wipe_signature(dev, "software RAID md superblock", name, 4, yes, force, wiped, dev_is_md) ||
if (!_wipe_signature(dev, "software RAID md superblock", name, 4, yes, force, wiped, dev_is_md_component) ||
!_wipe_signature(dev, "swap signature", name, 10, yes, force, wiped, dev_is_swap) ||
!_wipe_signature(dev, "LUKS signature", name, 8, yes, force, wiped, dev_is_luks))
return 0;

2
lib/device/dev-type.h
View File

@ -57,7 +57,7 @@ const char *dev_subsystem_name(struct dev_types *dt, struct device *dev);
int major_is_scsi_device(struct dev_types *dt, int major);
/* Signature/superblock recognition with position returned where found. */
int dev_is_md(struct device *dev, uint64_t *sb, int full);
int dev_is_md_component(struct device *dev, uint64_t *sb, int full);
int dev_is_swap(struct device *dev, uint64_t *signature, int full);
int dev_is_luks(struct device *dev, uint64_t *signature, int full);
int dasd_is_cdl_formatted(struct device *dev);

2
lib/filters/filter-md.c
View File

@ -93,7 +93,7 @@ static int _passes_md_filter(struct cmd_context *cmd, struct dev_filter *f __att
if (!md_filtering())
return 1;
ret = dev_is_md(dev, NULL, cmd->use_full_md_check);
ret = dev_is_md_component(dev, NULL, cmd->use_full_md_check);
if (ret == -EAGAIN) {
/* let pass, call again after scan */

2
lib/format_text/import_vsn1.c
View File

@ -298,7 +298,7 @@ static int _read_pv(struct format_instance *fid,
* see the PV size, and can finally compare it with the device size.
*/
if (pv->dev && (pv->size != pv->dev->size)) {
if (dev_is_md(pv->dev, NULL, 1)) {
if (dev_is_md_component(pv->dev, NULL, 1)) {
log_warn("WARNING: device %s is an md component, ignoring PV.", dev_name(pv->dev));
return_0;
}