diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-07-11 17:54:32 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-07-21 11:51:19 -0400 |
| commit | 15d4b73ac2232d6f2beb61d8b2400ea66e4da606 (patch) | |
| tree | 18e3f28f6b4e33aed2750283eed0ae5f2116a685 | |
| parent | 3ffbc1d65583394be12801655781dd2b079ce169 (diff) | |
NFS: Refactor NFS access to kernel access mask calculation
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | fs/nfs/dir.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 1255891e5695..24b3a6748062 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2375,16 +2375,31 @@ void nfs_access_add_cache(struct inode *inode, struct nfs_access_entry *set) } EXPORT_SYMBOL_GPL(nfs_access_add_cache); +#define NFS_MAY_READ (NFS4_ACCESS_READ) +#define NFS_MAY_WRITE (NFS4_ACCESS_MODIFY | \ + NFS4_ACCESS_EXTEND | \ + NFS4_ACCESS_DELETE) +#define NFS_MAY_LOOKUP (NFS4_ACCESS_LOOKUP) +#define NFS_MAY_EXECUTE (NFS4_ACCESS_EXECUTE) +static int +nfs_access_calc_mask(u32 access_result) +{ + int mask = 0; + + if (access_result & NFS_MAY_READ) + mask |= MAY_READ; + if (access_result & NFS_MAY_WRITE) + mask |= MAY_WRITE; + if (access_result & NFS_MAY_LOOKUP) + mask |= MAY_EXEC; + if (access_result & NFS_MAY_EXECUTE) + mask |= MAY_EXEC; + return mask; +} + void nfs_access_set_mask(struct nfs_access_entry *entry, u32 access_result) { - entry->mask = 0; - if (access_result & NFS4_ACCESS_READ) - entry->mask |= MAY_READ; - if (access_result & - (NFS4_ACCESS_MODIFY | NFS4_ACCESS_EXTEND | NFS4_ACCESS_DELETE)) - entry->mask |= MAY_WRITE; - if (access_result & (NFS4_ACCESS_LOOKUP|NFS4_ACCESS_EXECUTE)) - entry->mask |= MAY_EXEC; + entry->mask = nfs_access_calc_mask(access_result); } EXPORT_SYMBOL_GPL(nfs_access_set_mask); |