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accb401220
Currently many file systems in Linux kernel do not return f_fsid in statfs info, the value is set as 0 in vfs layer. Anyway, in some conditions, f_fsid from statfs(2) is useful, especially being used as (f_fsid, ino) pair to uniquely identify a file. Basic idea of the patches is generating a unique fs ID by huge_encode_dev(sb->s_bdev->bd_dev) during file system mounting life time (no endian consistent issue). sb is a point of struct super_block of current mounted file system being accessed by statfs(2). This patch: Make adfs return f_fsid info for statfs(2), and do a little variable renaming in adfs_statfs(). Signed-off-by: Coly Li <coly.li@suse.de> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: "Sergey S. Kostyliov" <rathamahata@php4.ru> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Cc: Bob Copeland <me@bobcopeland.com> Cc: Anders Larsen <al@alarsen.net> Cc: Phillip Lougher <phillip@lougher.demon.co.uk> Cc: Christoph Hellwig <hch@infradead.org> Cc: Evgeniy Dushistov <dushistov@mail.ru> Cc: Jan Kara <jack@suse.cz> Cc: Andreas Dilger <adilger@sun.com> Cc: Jamie Lokier <jamie@shareable.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| adfs.h | ||
| dir_f.c | ||
| dir_f.h | ||
| dir_fplus.c | ||
| dir_fplus.h | ||
| dir.c | ||
| file.c | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||
| map.c | ||
| super.c | ||