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| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2022-05-10 01:42:07 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-05-24 21:33:11 +0200 |
| commit | d87c48ce4d8951f46d21f17ea86bba8853049862 (patch) | |
| tree | 9d5b70fa32e36691fecab1cf6e45657c78eb92e4 /fs/cifs/cifsglob.h | |
| parent | cifs: avoid parallel session setups on same channel (diff) | |
| download | linux-d87c48ce4d8951f46d21f17ea86bba8853049862.tar.xz linux-d87c48ce4d8951f46d21f17ea86bba8853049862.zip | |
cifs: cache the dirents for entries in a cached directory
This adds caching of the directory entries for a cached directory while we keep
a lease on the directory.
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 8880a26f234f..b6c2a787be06 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1052,6 +1052,27 @@ struct cifs_fattr { u32 cf_cifstag; }; +struct cached_dirent { + struct list_head entry; + char *name; + int namelen; + loff_t pos; + + struct cifs_fattr fattr; +}; + +struct cached_dirents { + bool is_valid:1; + bool is_failed:1; + struct dir_context *ctx; /* + * Only used to make sure we only take entries + * from a single context. Never dereferenced. + */ + struct mutex de_mutex; + int pos; /* Expected ctx->pos */ + struct list_head entries; +}; + struct cached_fid { bool is_valid:1; /* Do we have a useable root fid */ bool file_all_info_is_valid:1; @@ -1064,6 +1085,7 @@ struct cached_fid { struct dentry *dentry; struct work_struct lease_break; struct smb2_file_all_info file_all_info; + struct cached_dirents dirents; }; /* |