bcachefs: allow passing full device path for target options
The output of mount options such as "metadata_target" in `/proc/mounts` uses the full path to the device. mount(8) from util-linux uses the output from `/proc/mounts` to pass existing mount options when performing a remount, so bcachefs should accept as input the same form that it prints as output. Without this change: $ mount -t bcachefs -o metadata_target=vdb /dev/vdb /mnt $ strace mount -o remount /mnt ... fsconfig(4, FSCONFIG_SET_STRING, "metadata_target", "/dev/vdb", 0) = -1 EINVAL (Invalid argument) ... Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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@ -2041,6 +2041,9 @@ err:
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/* return with ref on ca->ref: */
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struct bch_dev *bch2_dev_lookup(struct bch_fs *c, const char *name)
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{
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if (!strncmp(name, "/dev/", strlen("/dev/")))
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name += strlen("/dev/");
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for_each_member_device(c, ca)
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if (!strcmp(name, ca->name))
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return ca;
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