[PATCH v5 16/20] nfsd: convert nfs4_file->fi_fds array to use nfsd_files

Jeff Layton
2015-10-05T11:03:04Z

fs/nfsd/nfs4state.c | 23 ++++++++++++-----------
fs/nfsd/state.h | 2 +-
2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2b73e2885a82..b72fa6816860 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -49,6 +49,7 @@

#include "netns.h"
#include "pnfs.h"
+#include "filecache.h"

#define NFSDDBG_FACILITY NFSDDBG_PROC

@@ -292,7 +293,7 @@ static struct file *
__nfs4_get_fd(struct nfs4_file *f, int oflag)
{
if (f->fi_fds[oflag])
- return get_file(f->fi_fds[oflag]);
+ return get_file(f->fi_fds[oflag]->nf_file);
return NULL;
}

@@ -449,17 +450,17 @@ static void __nfs4_file_put_access(struct nfs4_file *fp, int oflag)
might_lock(&fp->fi_lock);

if (atomic_dec_and_lock(&fp->fi_access[oflag], &fp->fi_lock)) {
- struct file *f1 = NULL;
- struct file *f2 = NULL;
+ struct nfsd_file *f1 = NULL;
+ struct nfsd_file *f2 = NULL;

swap(f1, fp->fi_fds[oflag]);
if (atomic_read(&fp->fi_access[1 - oflag]) == 0)
swap(f2, fp->fi_fds[O_RDWR]);
spin_unlock(&fp->fi_lock);
if (f1)
- fput(f1);
+ nfsd_file_put(f1);
if (f2)
- fput(f2);
+ nfsd_file_put(f2);
}
}

@@ -3841,7 +3842,7 @@ static __be32 nfs4_get_vfs_file(struct svc_rqst *rqstp, struct nfs4_file *fp,
struct svc_fh *cur_fh, struct nfs4_ol_stateid *stp,
struct nfsd4_open *open)
{
- struct file *filp = NULL;
+ struct nfsd_file *nf = NULL;
__be32 status;
int oflag = nfs4_access_to_omode(open->op_share_access);
int access = nfs4_access_to_access(open->op_share_access);
@@ -3877,18 +3878,18 @@ static __be32 nfs4_get_vfs_file(struct svc_rqst *rqstp, struct nfs4_file *fp,

if (!fp->fi_fds[oflag]) {
spin_unlock(&fp->fi_lock);
- status = nfsd_open(rqstp, cur_fh, S_IFREG, access, &filp);
+ status = nfsd_file_acquire(rqstp, cur_fh, access, &nf);
if (status)
goto out_put_access;
spin_lock(&fp->fi_lock);
if (!fp->fi_fds[oflag]) {
- fp->fi_fds[oflag] = filp;
- filp = NULL;
+ fp->fi_fds[oflag] = nf;
+ nf = NULL;
}
}
spin_unlock(&fp->fi_lock);
- if (filp)
- fput(filp);
+ if (nf)
+ nfsd_file_put(nf);

status = nfsd4_truncate(rqstp, cur_fh, open);
if (status)
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 77fdf4de91ba..473faa436e07 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -491,7 +491,7 @@ struct nfs4_file {
};
struct list_head fi_clnt_odstate;
/* One each for O_RDONLY, O_WRONLY, O_RDWR: */
- struct file * fi_fds[3];
+ struct nfsd_file *fi_fds[3];
/*
* Each open or lock stateid contributes 0-4 to the counts
* below depending on which bits are set in st_access_bitmap:
--
2.4.3