diff options
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index a23eed526f0..01bf189e08a 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -36,7 +36,8 @@ #define ceph_test_mount_opt(fsc, opt) \ (!!((fsc)->mount_options->flags & CEPH_MOUNT_OPT_##opt)) -#define CEPH_RSIZE_DEFAULT (512*1024) /* readahead */ +#define CEPH_RSIZE_DEFAULT 0 /* max read size */ +#define CEPH_RASIZE_DEFAULT (8192*1024) /* readahead */ #define CEPH_MAX_READDIR_DEFAULT 1024 #define CEPH_MAX_READDIR_BYTES_DEFAULT (512*1024) #define CEPH_SNAPDIRNAME_DEFAULT ".snap" @@ -45,8 +46,9 @@ struct ceph_mount_options { int flags; int sb_flags; - int wsize; - int rsize; /* max readahead */ + int wsize; /* max write size */ + int rsize; /* max read size */ + int rasize; /* max readahead */ int congestion_kb; /* max writeback in flight */ int caps_wanted_delay_min, caps_wanted_delay_max; int cap_release_safety; @@ -201,6 +203,7 @@ struct ceph_inode_xattr { * Ceph dentry state */ struct ceph_dentry_info { + unsigned long flags; struct ceph_mds_session *lease_session; u32 lease_gen, lease_shared_gen; u32 lease_seq; @@ -211,6 +214,18 @@ struct ceph_dentry_info { u64 offset; }; +/* + * dentry flags + * + * The locking for D_COMPLETE is a bit odd: + * - we can clear it at almost any time (see ceph_d_prune) + * - it is only meaningful if: + * - we hold dir inode i_lock + * - we hold dir FILE_SHARED caps + * - the dentry D_COMPLETE is set + */ +#define CEPH_D_COMPLETE 1 /* if set, d_u.d_subdirs is complete directory */ + struct ceph_inode_xattrs_info { /* * (still encoded) xattr blob. we avoid the overhead of parsing @@ -249,7 +264,7 @@ struct ceph_inode_info { struct timespec i_rctime; u64 i_rbytes, i_rfiles, i_rsubdirs; u64 i_files, i_subdirs; - u64 i_max_offset; /* largest readdir offset, set with I_COMPLETE */ + u64 i_max_offset; /* largest readdir offset, set with D_COMPLETE */ struct rb_root i_fragtree; struct mutex i_fragtree_mutex; @@ -344,9 +359,10 @@ static inline struct ceph_vino ceph_vino(struct inode *inode) * x86_64+ino32 64 32 * x86_64 64 64 */ -static inline u32 ceph_ino_to_ino32(ino_t ino) +static inline u32 ceph_ino_to_ino32(__u64 vino) { - ino ^= ino >> (sizeof(ino) * 8 - 32); + u32 ino = vino & 0xffffffff; + ino ^= vino >> 32; if (!ino) ino = 1; return ino; @@ -357,11 +373,11 @@ static inline u32 ceph_ino_to_ino32(ino_t ino) */ static inline ino_t ceph_vino_to_ino(struct ceph_vino vino) { - ino_t ino = (ino_t)vino.ino; /* ^ (vino.snap << 20); */ #if BITS_PER_LONG == 32 - ino = ceph_ino_to_ino32(ino); + return ceph_ino_to_ino32(vino.ino); +#else + return (ino_t)vino.ino; #endif - return ino; } /* @@ -413,7 +429,6 @@ static inline struct inode *ceph_find_inode(struct super_block *sb, /* * Ceph inode. */ -#define CEPH_I_COMPLETE 1 /* we have complete directory cached */ #define CEPH_I_NODELAY 4 /* do not delay cap release */ #define CEPH_I_FLUSH 8 /* do not delay flush of dirty metadata */ #define CEPH_I_NOFLUSH 16 /* do not flush dirty caps */ @@ -471,6 +486,13 @@ static inline loff_t ceph_make_fpos(unsigned frag, unsigned off) } /* + * set/clear directory D_COMPLETE flag + */ +void ceph_dir_set_complete(struct inode *inode); +void ceph_dir_clear_complete(struct inode *inode); +bool ceph_dir_test_complete(struct inode *inode); + +/* * caps helpers */ static inline bool __ceph_is_any_real_caps(struct ceph_inode_info *ci) |