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nfsd: move some commit_metadata()s outside the inode lock

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The commit may be time-consuming and there's no need to hold the lock
for it.

More of these are possible, these were just some easy ones.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2021-05-14 18:21:37 -04:00
parent e5d74a2d0e
commit eeeadbb9bd
1 changed files with 3 additions and 2 deletions
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5
fs/nfsd/vfs.c
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@ -1613,9 +1613,9 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
host_err = vfs_symlink(&init_user_ns, d_inode(dentry), dnew, path);
err = nfserrno(host_err);
fh_unlock(fhp);
if (!err)
err = nfserrno(commit_metadata(fhp));
fh_unlock(fhp);
fh_drop_write(fhp);
@ -1680,6 +1680,7 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,
if (d_really_is_negative(dold))
goto out_dput;
host_err = vfs_link(dold, &init_user_ns, dirp, dnew, NULL);
fh_unlock(ffhp);
if (!host_err) {
err = nfserrno(commit_metadata(ffhp));
if (!err)
@ -1902,10 +1903,10 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
host_err = vfs_rmdir(&init_user_ns, dirp, rdentry);
}
fh_unlock(fhp);
if (!host_err)
host_err = commit_metadata(fhp);
dput(rdentry);
fh_unlock(fhp);
iput(rinode); /* truncate the inode here */
out_drop_write: