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Code Issues Releases Wiki Activity

NFS: Fix WARN_ON due to unionization of nfs_inode.nrequests 

Fixes the following WARN_ON
WARNING: CPU: 2 PID: 18678 at fs/nfs/inode.c:123 nfs_clear_inode+0x3b/0x50 [nfs]
...
Call Trace:
  nfs4_evict_inode+0x57/0x70 [nfsv4]
  evict+0xd1/0x180
  dispose_list+0x48/0x60
  evict_inodes+0x156/0x190
  generic_shutdown_super+0x37/0x110
  nfs_kill_super+0x1d/0x40 [nfs]
  deactivate_locked_super+0x36/0xa0

Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Dave Wysochanski 2021-10-10 18:23:13 -04:00 committed by Trond Myklebust
parent 6e176d4716
commit 0ebeebcf59
1 changed files with 3 additions and 1 deletions
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4
include/linux/nfs_fs.h
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@ -573,7 +573,9 @@ bool nfs_commit_end(struct nfs_mds_commit_info *cinfo);
static inline int
nfs_have_writebacks(struct inode *inode)
{
return atomic_long_read(&NFS_I(inode)->nrequests) != 0;
if (S_ISREG(inode->i_mode))
return atomic_long_read(&NFS_I(inode)->nrequests) != 0;
return 0;
}
/*