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authorZhao Lei <zhaolei@cn.fujitsu.com>2015-10-12 21:22:56 +0800
committerDavid Sterba <dsterba@suse.com>2015-11-02 09:35:00 +0100
commit45401669b099893b41919f9c707b8ea528bcdfa5 (patch)
tree8756083440d099f4da428caa65bd2f4438350b16 /cmds-inspect.c
parentd0c0f90b3885125c2c6e55eed097617a5f1baa15 (diff)
btrfs-progs: balance: use btrfs_open_dir for btrfs balance command
We can use btrfs_open_dir() to check whether target dir is in btrfs's mount point before open, instead of checking it in kernel space of ioctl, and return fuzzy error message. Before patch: # btrfs balance start /mnt/tmp ERROR: error during balancing '/mnt/tmp' - Inappropriate ioctl for device There may be more info in syslog - try dmesg | tail # After patch: # btrfs balance start /mnt/tmp ERROR: not btrfs filesystem: /mnt/tmp # Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'cmds-inspect.c')
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