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authorJeff Layton <jlayton@redhat.com>2009-04-03 13:44:00 -0400
committerSteve French <sfrench@us.ibm.com>2009-04-16 21:26:49 -0400
commitfbec9ab952d4810960e620035c8e95f0fbbae4be (patch)
treee4d8ef8e0fbe2703d98390d96151cbf40d32f434 /fs/cifs/cifsfs.c
parentd036f50fc202e1a851a25dc5edc215ebd0086201 (diff)
cifs: vary timeout on writes past EOF based on offset (try #5)
This is the fourth version of this patch: The first three generated a compiler warning asking for explicit curly braces. The first two didn't handle update the size correctly when writes that didn't start at the eof were done. The first patch also didn't update the size correctly when it explicitly set via truncate(). This patch adds code to track the client's current understanding of the size of the file on the server separate from the i_size, and then to use this info to semi-intelligently set the timeout for writes past the EOF. This helps prevent timeouts when trying to write large, sparse files on windows servers. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 38491fd3871d..34f5701d9555 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -316,6 +316,7 @@ cifs_alloc_inode(struct super_block *sb)
316 cifs_inode->clientCanCacheAll = false; 316 cifs_inode->clientCanCacheAll = false;
317 cifs_inode->delete_pending = false; 317 cifs_inode->delete_pending = false;
318 cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */ 318 cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */
319 cifs_inode->server_eof = 0;
319 320
320 /* Can not set i_flags here - they get immediately overwritten 321 /* Can not set i_flags here - they get immediately overwritten
321 to zero by the VFS */ 322 to zero by the VFS */