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author | Rebecca Cran <brucec@FreeBSD.org> | 2010-11-14 07:38:42 +0000 |
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committer | Rebecca Cran <brucec@FreeBSD.org> | 2010-11-14 07:38:42 +0000 |
commit | 5d7abc8777104ef65830f63abf02ea487ab83c47 (patch) | |
tree | 8fdecd737454ae889844f59034c90203d35ea143 /sys | |
parent | 2baa5cddb6d0d8450e8eabfdf8432b9757745902 (diff) | |
download | src-5d7abc8777104ef65830f63abf02ea487ab83c47.tar.gz src-5d7abc8777104ef65830f63abf02ea487ab83c47.zip |
Add descriptions to some more sysctls.
PR: kern/148510
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=215282
Diffstat (limited to 'sys')
-rw-r--r-- | sys/kern/vfs_subr.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 6b90888a7b2a..b157728c179e 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -121,7 +121,7 @@ static void destroy_vpollinfo(struct vpollinfo *vi); */ static unsigned long numvnodes; -SYSCTL_LONG(_vfs, OID_AUTO, numvnodes, CTLFLAG_RD, &numvnodes, 0, ""); +SYSCTL_LONG(_vfs, OID_AUTO, numvnodes, CTLFLAG_RD, &numvnodes, 0, "Number of vnodes in existence"); /* * Conversion tables for conversion from vnode types to inode formats @@ -150,7 +150,7 @@ static u_long wantfreevnodes; SYSCTL_LONG(_vfs, OID_AUTO, wantfreevnodes, CTLFLAG_RW, &wantfreevnodes, 0, ""); /* Number of vnodes in the free list. */ static u_long freevnodes; -SYSCTL_LONG(_vfs, OID_AUTO, freevnodes, CTLFLAG_RD, &freevnodes, 0, ""); +SYSCTL_LONG(_vfs, OID_AUTO, freevnodes, CTLFLAG_RD, &freevnodes, 0, "Number of vnodes in the free list"); static int vlru_allow_cache_src; SYSCTL_INT(_vfs, OID_AUTO, vlru_allow_cache_src, CTLFLAG_RW, @@ -162,7 +162,7 @@ SYSCTL_INT(_vfs, OID_AUTO, vlru_allow_cache_src, CTLFLAG_RW, * XXX these are probably of (very) limited utility now. */ static int reassignbufcalls; -SYSCTL_INT(_vfs, OID_AUTO, reassignbufcalls, CTLFLAG_RW, &reassignbufcalls, 0, ""); +SYSCTL_INT(_vfs, OID_AUTO, reassignbufcalls, CTLFLAG_RW, &reassignbufcalls, 0, "Number of calls to reassignbuf"); /* * Cache for the mount type id assigned to NFS. This is used for @@ -237,14 +237,14 @@ static struct cv sync_wakeup; static int syncer_maxdelay = SYNCER_MAXDELAY; /* maximum delay time */ static int syncdelay = 30; /* max time to delay syncing data */ static int filedelay = 30; /* time to delay syncing files */ -SYSCTL_INT(_kern, OID_AUTO, filedelay, CTLFLAG_RW, &filedelay, 0, ""); +SYSCTL_INT(_kern, OID_AUTO, filedelay, CTLFLAG_RW, &filedelay, 0, "Time to delay syncing files (in seconds)"); static int dirdelay = 29; /* time to delay syncing directories */ -SYSCTL_INT(_kern, OID_AUTO, dirdelay, CTLFLAG_RW, &dirdelay, 0, ""); +SYSCTL_INT(_kern, OID_AUTO, dirdelay, CTLFLAG_RW, &dirdelay, 0, "Time to delay syncing directories (in seconds)"); static int metadelay = 28; /* time to delay syncing metadata */ -SYSCTL_INT(_kern, OID_AUTO, metadelay, CTLFLAG_RW, &metadelay, 0, ""); +SYSCTL_INT(_kern, OID_AUTO, metadelay, CTLFLAG_RW, &metadelay, 0, "Time to delay syncing metadata (in seconds)"); static int rushjob; /* number of slots to run ASAP */ static int stat_rush_requests; /* number of times I/O speeded up */ -SYSCTL_INT(_debug, OID_AUTO, rush_requests, CTLFLAG_RW, &stat_rush_requests, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, rush_requests, CTLFLAG_RW, &stat_rush_requests, 0, "Number of times I/O speeded up (rush requests)"); /* * When shutting down the syncer, run it at four times normal speed. @@ -544,7 +544,7 @@ enum { TSP_SEC, TSP_HZ, TSP_USEC, TSP_NSEC }; static int timestamp_precision = TSP_SEC; SYSCTL_INT(_vfs, OID_AUTO, timestamp_precision, CTLFLAG_RW, - ×tamp_precision, 0, ""); + ×tamp_precision, 0, "File timestamp precision (0: seconds, 1: sec + ns accurate to 1/HZ, 2: sec + ns truncated to ms, 3+: sec + ns (max. precision))"); /* * Get a current timestamp. @@ -2376,7 +2376,7 @@ vinactive(struct vnode *vp, struct thread *td) */ #ifdef DIAGNOSTIC static int busyprt = 0; /* print out busy vnodes */ -SYSCTL_INT(_debug, OID_AUTO, busyprt, CTLFLAG_RW, &busyprt, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, busyprt, CTLFLAG_RW, &busyprt, 0, "Print out busy vnodes"); #endif int @@ -3712,17 +3712,17 @@ extattr_check_cred(struct vnode *vp, int attrnamespace, struct ucred *cred, (vp)->v_type == VCHR || (vp)->v_type == VBAD) int vfs_badlock_ddb = 1; /* Drop into debugger on violation. */ -SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_ddb, CTLFLAG_RW, &vfs_badlock_ddb, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_ddb, CTLFLAG_RW, &vfs_badlock_ddb, 0, "Drop into debugger on lock violation"); int vfs_badlock_mutex = 1; /* Check for interlock across VOPs. */ -SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_mutex, CTLFLAG_RW, &vfs_badlock_mutex, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_mutex, CTLFLAG_RW, &vfs_badlock_mutex, 0, "Check for interlock across VOPs"); int vfs_badlock_print = 1; /* Print lock violations. */ -SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_print, CTLFLAG_RW, &vfs_badlock_print, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_print, CTLFLAG_RW, &vfs_badlock_print, 0, "Print lock violations"); #ifdef KDB int vfs_badlock_backtrace = 1; /* Print backtrace at lock violations. */ -SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_backtrace, CTLFLAG_RW, &vfs_badlock_backtrace, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_backtrace, CTLFLAG_RW, &vfs_badlock_backtrace, 0, "Print backtrace at lock violations"); #endif static void |