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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-12-19 04:38:00 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-01-08 22:42:02 +0300 |
| commit | a2f4c3fa4db94ba44d32a72201927cfd132a8e82 (patch) | |
| tree | 8442781e44017a9477e09323c8beaa19796c1ef5 /fs/nfsd/vfs.c | |
| parent | 2c445a0e72cb1fbfbdb7f9473c53556ee27c1d90 (diff) | |
| download | linux-a2f4c3fa4db94ba44d32a72201927cfd132a8e82.tar.xz | |
nfsd: Add a tracepoint for errors in nfsd4_clone_file_range()
Since a clone error commit can cause the boot verifier to change,
we should trace those errors.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
[ cel: Addressed a checkpatch.pl splat in fs/nfsd/vfs.h ]
Diffstat (limited to 'fs/nfsd/vfs.c')
| -rw-r--r-- | fs/nfsd/vfs.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index c22511decc4c..70ea7e0aae07 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -40,6 +40,7 @@ #include "../internal.h" #include "acl.h" #include "idmap.h" +#include "xdr4.h" #endif /* CONFIG_NFSD_V4 */ #include "nfsd.h" @@ -517,8 +518,15 @@ __be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp, } #endif -__be32 nfsd4_clone_file_range(struct nfsd_file *nf_src, u64 src_pos, - struct nfsd_file *nf_dst, u64 dst_pos, u64 count, bool sync) +static struct nfsd4_compound_state *nfsd4_get_cstate(struct svc_rqst *rqstp) +{ + return &((struct nfsd4_compoundres *)rqstp->rq_resp)->cstate; +} + +__be32 nfsd4_clone_file_range(struct svc_rqst *rqstp, + struct nfsd_file *nf_src, u64 src_pos, + struct nfsd_file *nf_dst, u64 dst_pos, + u64 count, bool sync) { struct file *src = nf_src->nf_file; struct file *dst = nf_dst->nf_file; @@ -545,6 +553,12 @@ __be32 nfsd4_clone_file_range(struct nfsd_file *nf_src, u64 src_pos, if (!status) status = commit_inode_metadata(file_inode(src)); if (status < 0) { + trace_nfsd_clone_file_range_err(rqstp, + &nfsd4_get_cstate(rqstp)->save_fh, + src_pos, + &nfsd4_get_cstate(rqstp)->current_fh, + dst_pos, + count, status); nfsd_reset_boot_verifier(net_generic(nf_dst->nf_net, nfsd_net_id)); ret = nfserrno(status); |