Konstantin Belousov bb7ca8229d Do not update the fsinfo block on each update of any fat block, this ...

is excessive. Postpone the flush of the fsinfo to VFS_SYNC(),
remembering the need for update with the flag MSDOSFS_FSIMOD, stored
in pm_flags.

FAT32 specification describes both FSI_Free_Count and FSI_Nxt_Free as
the advisory hints, not requiring them to be correct.

Based on the patch from bde, modified by me.

Reviewed by: bde
MFC after:   2 weeks

2013-02-17 20:35:54 +00:00

..

bootsect.h

- Add idempotency guards so the structures can be used in other utilities.

2010-02-13 12:41:07 +00:00

bpb.h

- Add idempotency guards so the structures can be used in other utilities.

2010-02-13 12:41:07 +00:00

denode.h

Remove unused thread argument from vtruncbuf().

2012-04-23 13:21:28 +00:00

direntry.h

- Add idempotency guards so the structures can be used in other utilities.

2010-02-13 12:41:07 +00:00

fat.h

…

msdosfs_conv.c

Discarding local array based on return values

2011-12-22 06:31:29 +00:00

msdosfs_denode.c

r16312 is not any longer real since many years (likely since when VFS

2012-11-19 22:43:45 +00:00

msdosfs_fat.c

Do not update the fsinfo block on each update of any fat block, this

2013-02-17 20:35:54 +00:00

msdosfs_fileno.c

Use pm_fatlock to protect per-filesystem rb tree used to allocate fileno

2010-02-28 17:16:43 +00:00

msdosfs_iconv.c

…

msdosfs_lookup.c

Use NULL instead of 0 for pointers

2012-07-22 15:40:31 +00:00

msdosfs_vfsops.c

Do not update the fsinfo block on each update of any fat block, this

2013-02-17 20:35:54 +00:00

msdosfs_vnops.c

The directory entry for dotdot was corrupted in the FAT32 case when moving

2013-02-01 18:06:06 +00:00

msdosfsmount.h

Do not update the fsinfo block on each update of any fat block, this

2013-02-17 20:35:54 +00:00