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| author |   Alexander Graf <agraf@suse.de> | 2012-10-31 13:36:18 +0100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-31 13:36:18 +0100 |
| commit | 0588000eac9ba4178cebade437da3b28e8fad48f (patch) | |
| tree | 697e514a0a0193f17a54f372dd18c5cd3927e154 /fs/nfs/nfs4file.c | |
| parent | KVM: PPC: Book3S HV: Fix thinko in try_lock_hpte() (diff) | |
| parent | KVM: do not treat noslot pfn as a error pfn (diff) | |
| download | linux-dev-0588000eac9ba4178cebade437da3b28e8fad48f.tar.xz linux-dev-0588000eac9ba4178cebade437da3b28e8fad48f.zip | |
Merge commit 'origin/queue' into for-queue
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/uapi/asm/Kbuild
Diffstat (limited to 'fs/nfs/nfs4file.c')
| -rw-r--r-- | fs/nfs/nfs4file.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index eb5eb8eef4d3..afddd6639afb 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -95,16 +95,25 @@ nfs4_file_fsync(struct file *file, loff_t start, loff_t end, int datasync) int ret; struct inode *inode = file->f_path.dentry->d_inode; - ret = filemap_write_and_wait_range(inode->i_mapping, start, end); - if (ret != 0) - goto out; - mutex_lock(&inode->i_mutex); - ret = nfs_file_fsync_commit(file, start, end, datasync); - if (!ret && !datasync) - /* application has asked for meta-data sync */ - ret = pnfs_layoutcommit_inode(inode, true); - mutex_unlock(&inode->i_mutex); -out: + do { + ret = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (ret != 0) + break; + mutex_lock(&inode->i_mutex); + ret = nfs_file_fsync_commit(file, start, end, datasync); + if (!ret && !datasync) + /* application has asked for meta-data sync */ + ret = pnfs_layoutcommit_inode(inode, true); + mutex_unlock(&inode->i_mutex); + /* + * If nfs_file_fsync_commit detected a server reboot, then + * resend all dirty pages that might have been covered by + * the NFS_CONTEXT_RESEND_WRITES flag + */ + start = 0; + end = LLONG_MAX; + } while (ret == -EAGAIN); + return ret; } |