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NFS client bugfixes for Linux 4.1

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Highlights include:
 
 - Fix a Linux-4.1 regression affecting stat()
 - Take an extra reference to fl->fl_file when running a setlk
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Merge tag 'nfs-for-4.1-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull two NFS client bugfixes from Trond Myklebust:
 "Highlights include:

   - fix a Linux-4.1 regression affecting stat()

   - take an extra reference to fl->fl_file when running a setlk"

* tag 'nfs-for-4.1-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  nfs: take extra reference to fl->fl_file when running a setlk
  nfs: stat(2) fails during cthon04 basic test5 on NFSv4.0
This commit is contained in:
Linus Torvalds 2015-05-19 11:20:48 -07:00
commit 1113cdfe7d
2 changed files with 11 additions and 5 deletions
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3
fs/nfs/nfs4proc.c
View File

@ -38,6 +38,7 @@
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/file.h>
#include <linux/string.h>
#include <linux/ratelimit.h>
#include <linux/printk.h>
@ -5604,6 +5605,7 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
p->server = server;
atomic_inc(&lsp->ls_count);
p->ctx = get_nfs_open_context(ctx);
get_file(fl->fl_file);
memcpy(&p->fl, fl, sizeof(p->fl));
return p;
out_free_seqid:
@ -5716,6 +5718,7 @@ static void nfs4_lock_release(void *calldata)
nfs_free_seqid(data->arg.lock_seqid);
nfs4_put_lock_state(data->lsp);
put_nfs_open_context(data->ctx);
fput(data->fl.fl_file);
kfree(data);
dprintk("%s: done!\n", __func__);
}

13
fs/nfs/write.c
View File

@ -1845,12 +1845,15 @@ int nfs_wb_all(struct inode *inode)
trace_nfs_writeback_inode_enter(inode);
ret = filemap_write_and_wait(inode->i_mapping);
if (!ret) {
ret = nfs_commit_inode(inode, FLUSH_SYNC);
if (!ret)
pnfs_sync_inode(inode, true);
}
if (ret)
goto out;
ret = nfs_commit_inode(inode, FLUSH_SYNC);
if (ret < 0)
goto out;
pnfs_sync_inode(inode, true);
ret = 0;
out:
trace_nfs_writeback_inode_exit(inode, ret);
return ret;
}