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author | Jeff Layton <jlayton@redhat.com> | 2009-06-25 06:56:52 +0200 |
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committer | Steve French <sfrench@us.ibm.com> | 2009-07-01 23:26:42 +0200 |
commit | cc0bad7552308e8905d6ea56e6b7811fa67e716d (patch) | |
tree | c02a91f13a502f444330b91b36ab12f55f352268 /fs/cifs/cifsglob.h | |
parent | kernel-doc: move ignoring kmemcheck (diff) | |
download | linux-cc0bad7552308e8905d6ea56e6b7811fa67e716d.tar.xz linux-cc0bad7552308e8905d6ea56e6b7811fa67e716d.zip |
cifs: add new cifs_iget function and convert unix codepath to use it
cifs: add new cifs_iget function and convert unix codepath to use it
In order to unify some codepaths, introduce a common cifs_fattr struct
for storing inode attributes. The different codepaths (unix, legacy,
normal, etc...) can fill out this struct with inode info. It can then be
passed as an arg to a common set of routines to get and update inodes.
Add a new cifs_iget function that uses iget5_locked to identify inodes.
This will compare inodes based on the uniqueid value in a cifs_fattr
struct.
Rather than filling out an already-created inode, have
cifs_get_inode_info_unix instead fill out cifs_fattr and hand that off
to cifs_iget. cifs_iget can then properly look for hardlinked inodes.
On the readdir side, add a new cifs_readdir_lookup function that spawns
populated dentries. Redefine FILE_UNIX_INFO so that it's basically a
FILE_UNIX_BASIC_INFO that has a few fields wrapped around it. This
allows us to more easily use the same function for filling out the fattr
as the non-readdir codepath.
With this, we should then have proper hardlink detection and can
eventually get rid of some nasty CIFS-specific hacks for handing them.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r-- | fs/cifs/cifsglob.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e1225e6ded2f..e6435cba8113 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -371,6 +371,7 @@ struct cifsInodeInfo { bool oplockPending:1; bool delete_pending:1; /* DELETE_ON_CLOSE is set */ u64 server_eof; /* current file size on server */ + u64 uniqueid; /* server inode number */ struct inode vfs_inode; }; @@ -472,6 +473,30 @@ struct dfs_info3_param { char *node_name; }; +/* + * common struct for holding inode info when searching for or updating an + * inode with new info + */ + +#define CIFS_FATTR_DFS_REFERRAL 0x1 + +struct cifs_fattr { + u32 cf_flags; + u32 cf_cifsattrs; + u64 cf_uniqueid; + u64 cf_eof; + u64 cf_bytes; + uid_t cf_uid; + gid_t cf_gid; + umode_t cf_mode; + dev_t cf_rdev; + unsigned int cf_nlink; + unsigned int cf_dtype; + struct timespec cf_atime; + struct timespec cf_mtime; + struct timespec cf_ctime; +}; + static inline void free_dfs_info_param(struct dfs_info3_param *param) { if (param) { |