DISK_MAP_SECTOR_RCU(9) Block Devices DISK_MAP_SECTOR_RCU(9)NAME
disk_map_sector_rcu - map sector to partition
SYNOPSIS
struct hd_struct * disk_map_sector_rcu(struct gendisk * disk, sector_t sector);
ARGUMENTS
disk
gendisk of interest
sector
sector to map
DESCRIPTION
Find out which partition sector maps to on disk. This is primarily used for stats accounting.
CONTEXT
RCU read locked. The returned partition pointer is valid only while preemption is disabled.
RETURNS
Found partition on success, part0 is returned if no partition matches
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 DISK_MAP_SECTOR_RCU(9)
Check Out this Related Man Page
REPARTITION(8) System Manager's Manual REPARTITION(8)NAME
repartition - load a partition table
SYNOPSIS
repartition device [partition-file]
DESCRIPTION
Repartition uploads a new partition table for the partitions of device. The table is obtained from the first sector of partition-file if
given, device otherwise. Device may refer to the whole drive or a primary partition, depending on whether you want to upload a partition
or a subpartition table. The partitions will be truncated to fit within the enclosing device like the disk driver does, unless the numbers
are coming from partition-file.
EXAMPLES
repartition /dev/hd0
repartition /dev/hd4 /etc/hd4.table
Reload the partition table of drive 0 setting /dev/hd[1-4], and the subpartition table of /dev/hd4 setting /dev/hd4[a-d] using a file. The
latter may be useful if you need more than the 4 subpartitions a single Minix partition gives you.
DIAGNOSTICS
The new table is printed on standard output.
FILES
/dev/hd[0-9]
SEE ALSO hd(4), part(8).
BUGS
The disk must be in use for the changes to stick. The partition table of an idle disk will be reloaded on the first open.
AUTHOR
Kees J. Bot (kjb@cs.vu.nl)
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