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iterate_supers_type(9) [centos man page]

ITERATE_SUPERS_TYPE(9)						   The Linux VFS					    ITERATE_SUPERS_TYPE(9)

NAME
iterate_supers_type - call function for superblocks of given type SYNOPSIS
void iterate_supers_type(struct file_system_type * type, void (*f) (struct super_block *, void *), void * arg); ARGUMENTS
type fs type f function to call arg argument to pass to it DESCRIPTION
Scans the superblock list and calls given function, passing it locked superblock and given argument. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 ITERATE_SUPERS_TYPE(9)

Check Out this Related Man Page

SBREAD(3)						   BSD Library Functions Manual 						 SBREAD(3)

NAME
sbread, sbwrite -- read and write superblocks of a UFS file system LIBRARY
UFS File System Access Library (libufs, -lufs) SYNOPSIS
#include <sys/param.h> #include <sys/mount.h> #include <ufs/ufs/ufsmount.h> #include <ufs/ufs/dinode.h> #include <ufs/ffs/fs.h> #include <libufs.h> int sbread(struct uufsd *disk); int sbwrite(struct uufsd *disk, int all); DESCRIPTION
The sbread() and sbwrite() functions provide superblock reads and writes for libufs(3) consumers. The sbread() and sbwrite() functions oper- ate on the superblock field, d_sb, associated with a given userland UFS disk structure. Additionally, the sbwrite() function will write to all superblock locations if the all value is non-zero. RETURN VALUES
The sbread() and sbwrite() functions return the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error. ERRORS
The function sbread() may fail and set errno for any of the errors specified for the library function bread(3). Additionally, it may follow the libufs(3) error methodologies in situations where no usable superblock could be found. The function sbwrite() may fail and set errno for any of the errors specified for the library function bwrite(3). SEE ALSO
bread(3), bwrite(3), libufs(3) HISTORY
These functions first appeared as part of libufs(3) in FreeBSD 5.0. AUTHORS
Juli Mallett <jmallett@FreeBSD.org> BSD
June 4, 2003 BSD

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