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- Mark the struct fs members that require the ufsmount mutex.

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- Define some macros for manipulating the fs_active bitmap.

Sponsored By:	Isilon Systems, Inc.
This commit is contained in:
Jeff Roberson 2005-01-24 10:03:17 +00:00
parent aaee366929
commit f2aa1113a3
1 changed files with 15 additions and 7 deletions
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22
sys/ufs/ffs/fs.h
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@ -312,21 +312,21 @@ struct fs {
/* these fields retain the current block allocation info */
int32_t fs_cgrotor; /* last cg searched */
void *fs_ocsp[NOCSPTRS]; /* padding; was list of fs_cs buffers */
u_int8_t *fs_contigdirs; /* # of contiguously allocated dirs */
struct csum *fs_csp; /* cg summary info buffer for fs_cs */
int32_t *fs_maxcluster; /* max cluster in each cyl group */
u_int *fs_active; /* used by snapshots to track fs */
u_int8_t *fs_contigdirs; /* (u) # of contig. allocated dirs */
struct csum *fs_csp; /* (u) cg summary info buffer */
int32_t *fs_maxcluster; /* (u) max cluster in each cyl group */
u_int *fs_active; /* (u) used by snapshots to track fs */
int32_t fs_old_cpc; /* cyl per cycle in postbl */
int32_t fs_maxbsize; /* maximum blocking factor permitted */
int64_t fs_sparecon64[17]; /* old rotation block list head */
int64_t fs_sblockloc; /* byte offset of standard superblock */
struct csum_total fs_cstotal; /* cylinder summary information */
struct csum_total fs_cstotal; /* (u) cylinder summary information */
ufs_time_t fs_time; /* last time written */
int64_t fs_size; /* number of blocks in fs */
int64_t fs_dsize; /* number of data blocks in fs */
ufs2_daddr_t fs_csaddr; /* blk addr of cyl grp summary area */
int64_t fs_pendingblocks; /* blocks in process of being freed */
int32_t fs_pendinginodes; /* inodes in process of being freed */
int64_t fs_pendingblocks; /* (u) blocks being freed */
int32_t fs_pendinginodes; /* (u) inodes being freed */
int32_t fs_snapinum[FSMAXSNAP];/* list of snapshot inode numbers */
int32_t fs_avgfilesize; /* expected average file size */
int32_t fs_avgfpdir; /* expected # of files per directory */
@ -408,6 +408,14 @@ CTASSERT(sizeof(struct fs) == 1376);
*/
#define ACTIVECGNUM(fs, cg) ((fs)->fs_active[(cg) / (NBBY * sizeof(int))])
#define ACTIVECGOFF(cg) (1 << ((cg) % (NBBY * sizeof(int))))
#define ACTIVESET(fs, cg) do { \
if ((fs)->fs_active) \
ACTIVECGNUM((fs), (cg)) |= ACTIVECGOFF((cg)); \
} while (0)
#define ACTIVECLEAR(fs, cg) do { \
if ((fs)->fs_active) \
ACTIVECGNUM((fs), (cg)) &= ~ACTIVECGOFF((cg)); \
} while (0)
/*
* The size of a cylinder group is calculated by CGSIZE. The maximum size