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jan Blunck ca572727db fs/: do not fallback to default_llseek() when readdir() uses BKL ... Do not use the fallback default_llseek() if the readdir operation of the filesystem still uses the big kernel lock. Since llseek() modifies file->f_pos of the directory directly it may need locking to not confuse readdir which usually uses file->f_pos directly as well Since the special characteristics of the BKL (unlocked on schedule) are not necessary in this case, the inode mutex can be used for locking as provided by generic_file_llseek(). This is only possible since all filesystems, except reiserfs, either use a directory as a flat file or with disk address offsets. Reiserfs on the other hand uses a 32bit hash off the filename as the offset so generic_file_llseek() can get used as well since the hash is always smaller than sb->s_maxbytes (= (512 << 32) - blocksize). Signed-off-by: Jan Blunck <jblunck@suse.de> Acked-by: Jan Kara <jack@suse.cz> Acked-by: Anders Larsen <al@alarsen.net> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		15 years ago
..
Kconfig	fs/Kconfig: move iso9660, udf out	16 years ago
Makefile	switch udf to simple_fsync()	16 years ago
balloc.c	udf: potential integer overflow	15 years ago
dir.c	fs/: do not fallback to default_llseek() when readdir() uses BKL	15 years ago
directory.c	udf: Remove dead code	16 years ago
ecma_167.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	16 years ago
file.c	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6	15 years ago
ialloc.c	udf: replace inode uid,gid,mode init with helper	15 years ago
inode.c	udf: add speciffic ->setattr callback	15 years ago
lowlevel.c	udf: Remove dead code	16 years ago
misc.c	Fix the udf code not to pass structs on stack where possible.	16 years ago
namei.c	udf: replace inode uid,gid,mode init with helper	15 years ago
osta_udf.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	16 years ago
partition.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
super.c	udf: Try harder when looking for VAT inode	15 years ago
symlink.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago
truncate.c	Fix the udf code not to pass structs on stack where possible.	16 years ago
udf_i.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	16 years ago
udf_sb.h	udf: Don't write integrity descriptor too often	16 years ago
udfdecl.h	udf: BKL ioctl pushdown	15 years ago
udfend.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	16 years ago
udftime.c	Remove struct typedefs from fs/udf/ecma_167.h et al.	16 years ago
unicode.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	15 years ago