diff options
Diffstat (limited to 'sys/sys/mount.h')
| -rw-r--r-- | sys/sys/mount.h | 140 |
1 files changed, 116 insertions, 24 deletions
diff --git a/sys/sys/mount.h b/sys/sys/mount.h index bbbc569..f73d5d7 100644 --- a/sys/sys/mount.h +++ b/sys/sys/mount.h @@ -493,6 +493,7 @@ struct ovfsconf { #define VFCF_UNICODE 0x00200000 /* stores file names as Unicode */ #define VFCF_JAIL 0x00400000 /* can be mounted from within a jail */ #define VFCF_DELEGADMIN 0x00800000 /* supports delegated administration */ +#define VFCF_SBDRY 0x01000000 /* defer stop requests */ typedef uint32_t fsctlop_t; @@ -629,30 +630,121 @@ struct vfsops { vfs_statfs_t __vfs_statfs; -#define VFS_MOUNT(MP) (*(MP)->mnt_op->vfs_mount)(MP) -#define VFS_UNMOUNT(MP, FORCE) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE) -#define VFS_ROOT(MP, FLAGS, VPP) \ - (*(MP)->mnt_op->vfs_root)(MP, FLAGS, VPP) -#define VFS_QUOTACTL(MP, C, U, A) \ - (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A) -#define VFS_STATFS(MP, SBP) __vfs_statfs((MP), (SBP)) -#define VFS_SYNC(MP, WAIT) (*(MP)->mnt_op->vfs_sync)(MP, WAIT) -#define VFS_VGET(MP, INO, FLAGS, VPP) \ - (*(MP)->mnt_op->vfs_vget)(MP, INO, FLAGS, VPP) -#define VFS_FHTOVP(MP, FIDP, FLAGS, VPP) \ - (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, FLAGS, VPP) -#define VFS_CHECKEXP(MP, NAM, EXFLG, CRED, NUMSEC, SEC) \ - (*(MP)->mnt_op->vfs_checkexp)(MP, NAM, EXFLG, CRED, NUMSEC, SEC) -#define VFS_EXTATTRCTL(MP, C, FN, NS, N) \ - (*(MP)->mnt_op->vfs_extattrctl)(MP, C, FN, NS, N) -#define VFS_SYSCTL(MP, OP, REQ) \ - (*(MP)->mnt_op->vfs_sysctl)(MP, OP, REQ) -#define VFS_SUSP_CLEAN(MP) \ - ({if (*(MP)->mnt_op->vfs_susp_clean != NULL) \ - (*(MP)->mnt_op->vfs_susp_clean)(MP); }) -#define VFS_RECLAIM_LOWERVP(MP, VP) \ - ({if (*(MP)->mnt_op->vfs_reclaim_lowervp != NULL) \ - (*(MP)->mnt_op->vfs_reclaim_lowervp)((MP), (VP)); }) +#define VFS_PROLOGUE(MP) do { \ + int _enable_stops; \ + \ + _enable_stops = ((MP) != NULL && \ + ((MP)->mnt_vfc->vfc_flags & VFCF_SBDRY) && sigdeferstop()) + +#define VFS_EPILOGUE(MP) \ + if (_enable_stops) \ + sigallowstop(); \ +} while (0) + +#define VFS_MOUNT(MP) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_mount)(MP); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_UNMOUNT(MP, FORCE) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_unmount)(MP, FORCE); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_ROOT(MP, FLAGS, VPP) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_root)(MP, FLAGS, VPP); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_QUOTACTL(MP, C, U, A) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_STATFS(MP, SBP) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = __vfs_statfs((MP), (SBP)); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_SYNC(MP, WAIT) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_sync)(MP, WAIT); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_VGET(MP, INO, FLAGS, VPP) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_vget)(MP, INO, FLAGS, VPP); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_FHTOVP(MP, FIDP, FLAGS, VPP) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, FLAGS, VPP); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_CHECKEXP(MP, NAM, EXFLG, CRED, NUMSEC, SEC) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_checkexp)(MP, NAM, EXFLG, CRED, NUMSEC,\ + SEC); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_EXTATTRCTL(MP, C, FN, NS, N) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_extattrctl)(MP, C, FN, NS, N); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_SYSCTL(MP, OP, REQ) ({ \ + int _rc; \ + \ + VFS_PROLOGUE(MP); \ + _rc = (*(MP)->mnt_op->vfs_sysctl)(MP, OP, REQ); \ + VFS_EPILOGUE(MP); \ + _rc; }) + +#define VFS_SUSP_CLEAN(MP) do { \ + if (*(MP)->mnt_op->vfs_susp_clean != NULL) { \ + VFS_PROLOGUE(MP); \ + (*(MP)->mnt_op->vfs_susp_clean)(MP); \ + VFS_EPILOGUE(MP); \ + } \ +} while (0) + +#define VFS_RECLAIM_LOWERVP(MP, VP) do { \ + if (*(MP)->mnt_op->vfs_reclaim_lowervp != NULL) { \ + VFS_PROLOGUE(MP); \ + (*(MP)->mnt_op->vfs_reclaim_lowervp)((MP), (VP)); \ + VFS_EPILOGUE(MP); \ + } \ +} while (0) #define VFS_KNOTE_LOCKED(vp, hint) do \ { \ |
