Btrfs-progs: fix compile warning in is_ssd()
mkfs.c: In function ‘is_ssd’: mkfs.c:1168:26: warning: ignoring return value of ‘blkid_devno_to_wholedisk’, declared with attribute warn_unused_result [-Wunused-result] blkid_devno_to_wholedisk(devno, wholedisk, sizeof(wholedisk), NULL); Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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cdbc107292
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36dcac288e
8
mkfs.c
8
mkfs.c
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@ -1150,6 +1150,7 @@ static int is_ssd(const char *file)
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dev_t devno;
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dev_t devno;
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int fd;
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int fd;
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char rotational;
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char rotational;
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int ret;
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probe = blkid_new_probe_from_filename(file);
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probe = blkid_new_probe_from_filename(file);
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if (!probe)
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if (!probe)
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@ -1161,7 +1162,12 @@ static int is_ssd(const char *file)
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return 0;
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return 0;
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/* Get whole disk name (not full path) for this devno */
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/* Get whole disk name (not full path) for this devno */
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blkid_devno_to_wholedisk(devno, wholedisk, sizeof(wholedisk), NULL);
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ret = blkid_devno_to_wholedisk(devno,
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wholedisk, sizeof(wholedisk), NULL);
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if (ret) {
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blkid_free_probe(probe);
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return 0;
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}
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snprintf(sysfs_path, PATH_MAX, "/sys/block/%s/queue/rotational",
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snprintf(sysfs_path, PATH_MAX, "/sys/block/%s/queue/rotational",
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wholedisk);
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wholedisk);
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