<dec f='src/src/sys/ufs/ffs/ffs_extern.h' l='204' type='int ffs_isblock(struct fs * , u_char * , __int32_t )'/>
<use f='src/src/sys/ufs/ffs/ffs_alloc.c' l='1190' u='c' c='ffs_alloccgblk'/>
<use f='src/src/sys/ufs/ffs/ffs_alloc.c' l='1447' u='c' c='ffs_blkalloc_ump'/>
<use f='src/src/sys/ufs/ffs/ffs_alloc.c' l='1472' u='c' c='ffs_blkalloc_ump'/>
<use f='src/src/sys/ufs/ffs/ffs_alloc.c' l='1908' u='c' c='ffs_blkfree_common'/>
<use f='src/src/sys/ufs/ffs/ffs_snapshot.c' l='1003' u='c' c='cgaccount1'/>
<use f='src/src/sys/ufs/ffs/ffs_snapshot.c' l='1026' u='c' c='cgaccount1'/>
<def f='src/src/sys/ufs/ffs/ffs_subr.c' l='180' ll='201' type='int ffs_isblock(struct fs * fs, u_char * cp, __int32_t h)'/>
<doc f='src/src/sys/ufs/ffs/ffs_subr.c' l='173'>/*
 * block operations
 *
 * check if a block is available
 *  returns true if all the correponding bits in the free map are 1
 *  returns false if any corresponding bit in the free map is 0
 */</doc>
<use f='src/src/sys/ufs/ffs/ffs_wapbl.c' l='873' u='c' c='wapbl_find_log_start'/>
<use f='src/src/sys/ufs/ffs/ffs_wapbl.c' l='883' u='c' c='wapbl_find_log_start'/>
