DISK_EXPAND_PART_TBL(9) Block Devices DISK_EXPAND_PART_TBL(9)NAME
disk_expand_part_tbl - expand disk->part_tbl
int disk_expand_part_tbl(struct gendisk * disk, int partno);
disk to expand part_tbl for
expand such that this partno can fit in
Expand disk->part_tbl such that partno can fit in. disk->part_tbl uses RCU to allow unlocked dereferencing for stats and other stuff.
Matching bd_mutex locked, might sleep.
0 on success, -errno on failure.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 DISK_EXPAND_PART_TBL(9)
Check Out this Related Man Page
UFS_DISK_CLOSE(3) BSD Library Functions Manual UFS_DISK_CLOSE(3)NAME
ufs_disk_close, ufs_disk_fillout, ufs_disk_fillout_blank, ufs_disk_write -- open and close userland UFS disks
UFS File System Access Library (libufs, -lufs)
ufs_disk_close(struct uufsd *disk);
ufs_disk_fillout(struct uufsd *disk, const char *name);
ufs_disk_fillout_blank(struct uufsd *disk, const char *name);
ufs_disk_write(struct uufsd *disk);
The ufs_disk_close() function closes a disk and frees internal memory related to it. It does not free the disk structure.
The ufs_disk_fillout() and ufs_disk_fillout_blank() functions open a disk specified by name and populate the structure pointed to by disk.
The disk is opened read-only. The specified name may be either a mountpoint, a device name or a filesystem image. The ufs_disk_fillout()
function assumes there is a valid superblock and will fail if not, whereas the ufs_disk_fillout_blank() function makes no assumptions of that
The ufs_disk_write() function attempts to re-open a disk as writable if it is not currently.
The function ufs_disk_close() has no failure points.
The function ufs_disk_fillout() may fail for any of the reasons ufs_disk_fillout_blank() might, as well as for any reason sbread(3) might.
The ufs_disk_fillout_blank() may fail and set errno for any of the errors specified for the library functions open(2), strdup(3). Addition-
ally, it may follow the libufs(3) error methodologies in situations where no device could be found to open.
The function ufs_disk_write() may fail and set errno for any of the errors specified for the library functions open(2) and stat(2). Namely,
it will fail if the disk in question may not be written to.
SEE ALSO open(2), getfsfile(3), libufs(3), sbread(3)HISTORY
These functions first appeared as part of libufs(3) in FreeBSD 5.0.
Juli Mallett <jmallett@FreeBSD.org>
BSD June 4, 2003 BSD
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