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authorTheodore Ts'o <tytso@mit.edu>2009-04-22 21:00:36 -0400
committerTheodore Ts'o <tytso@mit.edu>2009-04-22 21:00:36 -0400
commitb5451f7b2694b04d9f912f6cf09db1729f291996 (patch)
treea1221f12730bc54357fc7600de2b5fbcce97cac3 /fs/binfmt_em86.c
parente84a26ce178345498a7eca0590852bcc36f1092f (diff)
ext4: Fix potential inode allocation soft lockup in Orlov allocator
If the Orlov allocator is having trouble finding an appropriate block group, the fallback code could loop forever, causing a soft lockup warning in find_group_orlov(): BUG: soft lockup - CPU#0 stuck for 61s! [cp:11728] ... Pid: 11728, comm: cp Not tainted (2.6.30-rc1-dirty #77) Lenovo EIP: 0060:[<c021650e>] EFLAGS: 00000246 CPU: 0 EIP is at ext4_get_group_desc+0x54/0x9d ... Call Trace: [<c0218021>] find_group_orlov+0x2ee/0x334 [<c0120a5f>] ? sched_clock+0x8/0xb [<c02188e3>] ext4_new_inode+0x2cf/0xb1a Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/binfmt_em86.c')
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