From f5c1e2ea71603bc2962041fef9dd902cb8626a1d Mon Sep 17 00:00:00 2001 From: Alan Tyson Date: Sat, 10 Mar 2007 06:05:14 +0000 Subject: [CIFS] reset mode when client notices that ATTR_READONLY is no longer set Signed-off-by: Alan Tyso Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/inode.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/cifs/inode.c') diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 86b9dbbd844..e75a844accd 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -494,6 +494,12 @@ int cifs_get_inode_info(struct inode **pinode, mode e.g. 555 */ if (cifsInfo->cifsAttrs & ATTR_READONLY) inode->i_mode &= ~(S_IWUGO); + else if ((inode->i_mode & S_IWUGO) == 0) + /* the ATTR_READONLY flag may have been */ + /* changed on server -- set any w bits */ + /* allowed by mnt_file_mode */ + inode->i_mode |= (S_IWUGO & + cifs_sb->mnt_file_mode); /* BB add code here - validate if device or weird share or device type? */ } -- cgit v1.2.3-70-g09d2 From 066fcb06d3e27c258bc229bb688ced2b16daa6c2 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 23 Mar 2007 00:45:08 +0000 Subject: [CIFS] Allow reset of file to ATTR_NORMAL when archive bit not set When a file had a dos attribute of 0x1 (readonly - but dos attribute of archive was not set) - doing chmod 0777 or equivalent would try to set a dos attribute of 0 (which some servers ignore) rather than ATTR_NORMAL (0x20) which most servers accept. Does not affect servers which support the CIFS Unix Extensions. Acked-by: Prasad Potluri Acked-by: Shirish Pargaonkar Signed-off-by: Steve French --- fs/cifs/CHANGES | 5 ++++- fs/cifs/inode.c | 15 ++++++++++++--- 2 files changed, 16 insertions(+), 4 deletions(-) (limited to 'fs/cifs/inode.c') diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 1cbe5615993..5d1f4873d70 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -6,7 +6,10 @@ on smp system corrupts sequence number. Do not reread unnecessarily partial page (which we are about to overwrite anyway) when writing out file opened rw. When DOS attribute of file on non-Unix server's file changes on the server side from read-only back to read-write, reflect this change in default file mode -(we had been leaving a file's mode read-only until the inode were reloaded) +(we had been leaving a file's mode read-only until the inode were reloaded). +Allow setting of attribute back to ATTR_NORMAL (removing readonly dos attribute +when archive dos attribute not set and we are changing mode back to writeable +on server which does not support the Unix Extensions). Version 1.47 ------------ diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index e75a844accd..f414526e476 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1196,6 +1196,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs) struct cifsFileInfo *open_file = NULL; FILE_BASIC_INFO time_buf; int set_time = FALSE; + int set_dosattr = FALSE; __u64 mode = 0xFFFFFFFFFFFFFFFFULL; __u64 uid = 0xFFFFFFFFFFFFFFFFULL; __u64 gid = 0xFFFFFFFFFFFFFFFFULL; @@ -1332,15 +1333,23 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs) else if (attrs->ia_valid & ATTR_MODE) { rc = 0; if ((mode & S_IWUGO) == 0) /* not writeable */ { - if ((cifsInode->cifsAttrs & ATTR_READONLY) == 0) + if ((cifsInode->cifsAttrs & ATTR_READONLY) == 0) { + set_dosattr = TRUE; time_buf.Attributes = cpu_to_le32(cifsInode->cifsAttrs | ATTR_READONLY); + } } else if ((mode & S_IWUGO) == S_IWUGO) { - if (cifsInode->cifsAttrs & ATTR_READONLY) + if (cifsInode->cifsAttrs & ATTR_READONLY) { + set_dosattr = TRUE; time_buf.Attributes = cpu_to_le32(cifsInode->cifsAttrs & (~ATTR_READONLY)); + /* Windows ignores set to zero */ + if(time_buf.Attributes == 0) + time_buf.Attributes |= + cpu_to_le32(ATTR_NORMAL); + } } /* BB to be implemented - via Windows security descriptors or streams */ @@ -1378,7 +1387,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs) } else time_buf.ChangeTime = 0; - if (set_time || time_buf.Attributes) { + if (set_time || set_dosattr) { time_buf.CreationTime = 0; /* do not change */ /* In the future we should experiment - try setting timestamps via Handle (SetFileInfo) instead of by path */ -- cgit v1.2.3-70-g09d2