diff options
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index cbded572345..6014b0a3c40 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -16,6 +16,10 @@ #include <linux/ceph/libceph.h> +#ifdef CONFIG_CEPH_FSCACHE +#include <linux/fscache.h> +#endif + /* f_type in struct statfs */ #define CEPH_SUPER_MAGIC 0x00c36400 @@ -29,6 +33,7 @@ #define CEPH_MOUNT_OPT_NOASYNCREADDIR (1<<7) /* no dcache readdir */ #define CEPH_MOUNT_OPT_INO32 (1<<8) /* 32 bit inos */ #define CEPH_MOUNT_OPT_DCACHE (1<<9) /* use dcache for readdir etc */ +#define CEPH_MOUNT_OPT_FSCACHE (1<<10) /* use fscache */ #define CEPH_MOUNT_OPT_DEFAULT (CEPH_MOUNT_OPT_RBYTES) @@ -90,6 +95,11 @@ struct ceph_fs_client { struct dentry *debugfs_bdi; struct dentry *debugfs_mdsc, *debugfs_mdsmap; #endif + +#ifdef CONFIG_CEPH_FSCACHE + struct fscache_cookie *fscache; + struct workqueue_struct *revalidate_wq; +#endif }; @@ -288,6 +298,7 @@ struct ceph_inode_info { int i_nr_by_mode[CEPH_FILE_MODE_NUM]; /* open file counts */ + struct mutex i_truncate_mutex; u32 i_truncate_seq; /* last truncate to smaller size */ u64 i_truncate_size; /* and the size we last truncated down to */ int i_truncate_pending; /* still need to call vmtruncate */ @@ -319,6 +330,12 @@ struct ceph_inode_info { struct work_struct i_vmtruncate_work; +#ifdef CONFIG_CEPH_FSCACHE + struct fscache_cookie *fscache; + u32 i_fscache_gen; /* sequence, for delayed fscache validate */ + struct work_struct i_revalidate_work; +#endif + struct inode vfs_inode; /* at end */ }; |