diff options
Diffstat (limited to 'lib/libufs/cgread.3')
| -rw-r--r-- | lib/libufs/cgread.3 | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/lib/libufs/cgread.3 b/lib/libufs/cgread.3 index 70d4c78202d9..cbc633708506 100644 --- a/lib/libufs/cgread.3 +++ b/lib/libufs/cgread.3 @@ -13,7 +13,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 19, 2018 +.Dd September 2, 2020 .Dt CGREAD 3 .Os .Sh NAME @@ -29,9 +29,9 @@ .In ufs/ffs/fs.h .In libufs.h .Ft int -.Fn cgget "struct uufsd *disk" "int cg" "struct cg *cgp" +.Fn cgget "int devfd" "struct fs *fs" "int cg" "struct cg *cgp" .Ft int -.Fn cgput "struct uufsd *disk" "struct cg *cgp" +.Fn cgput "int devfd" "struct fs *fs" "struct cg *cgp" .Ft int .Fn cgread "struct uufsd *disk" .Ft int @@ -64,7 +64,11 @@ function reads the cylinder group specified by .Fa cg into the buffer pointed to by .Fa cgp -from the disk referenced by the user-land UFS-disk structure. +from the filesystem described by the +.Fa fs +superblock using the +.Fa devfd +file descriptor that references the filesystem disk. The .Fn cgget function is the only cylinder group read function that is safe to use @@ -74,7 +78,11 @@ The .Fn cgput function writes the cylinder group specified by .Va cgp -to the disk referenced by the user-land UFS-disk structure. +to the filesystem described by the +.Fa fs +superblock using the +.Fa devfd +file descriptor that references the filesystem disk. The .Fn cgput function is the only cylinder group write function that is safe to use @@ -172,3 +180,4 @@ in .Fx 5.1 . .Sh AUTHORS .An Juli Mallett Aq Mt jmallett@FreeBSD.org +.An Marshall Kirk McKusick Aq Mt mckusick@FreeBSD.org |