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| /openbmc/linux/fs/btrfs/ |
| H A D | ioctl.c | 9b8a233b Fri Apr 30 11:00:55 CDT 2021 Ritesh Harjani <riteshh@linux.ibm.com> btrfs: handle transaction start error in btrfs_fileattr_set
Add error handling in btrfs_fileattr_set in case of an error while
starting a transaction. This fixes btrfs/232 which otherwise used to
fail with below signature on Power.
btrfs/232 [ 1119.474650] run fstests btrfs/232 at 2021-04-21 02:21:22
<...>
[ 1366.638585] BUG: Unable to handle kernel data access on read at 0xffffffffffffff86
[ 1366.638768] Faulting instruction address: 0xc0000000009a5c88
cpu 0x0: Vector: 380 (Data SLB Access) at [c000000014f177b0]
pc: c0000000009a5c88: btrfs_update_root_times+0x58/0xc0
lr: c0000000009a5c84: btrfs_update_root_times+0x54/0xc0
<...>
pid = 24881, comm = fsstress
btrfs_update_inode+0xa0/0x140
btrfs_fileattr_set+0x5d0/0x6f0
vfs_fileattr_set+0x2a8/0x390
do_vfs_ioctl+0x1290/0x1ac0
sys_ioctl+0x6c/0x120
system_call_exception+0x3d4/0x410
system_call_common+0xec/0x278
Fixes: 97fc29775487 ("btrfs: convert to fileattr")
Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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