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tmp_suning_uos_patched/fs/gfs2/bmap.h

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[GFS2] The core of GFS2 This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-17 00:50:04 +08:00
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
[GFS2] Update copyright date to 2006 Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-19 03:09:15 +08:00
* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
[GFS2] The core of GFS2 This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-17 00:50:04 +08:00
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
[GFS2] Update copyright, tidy up incore.h As per comments from Jan Engelhardt <jengelh@linux01.gwdg.de> this updates the copyright message to say "version" in full rather than "v.2". Also incore.h has been updated to remove forward structure declarations which are not required. The gfs2_quota_lvb structure has now had endianess annotations added to it. Also quota.c has been updated so that we now store the lvb data locally in endian independant format to avoid needing a structure in host endianess too. As a result the endianess conversions are done as required at various points and thus the conversion routines in lvb.[ch] are no longer required. I've moved the one remaining constant in lvb.h thats used into lm.h and removed the unused lvb.[ch]. I have not changed the HIF_ constants. That is left to a later patch which I hope will unify the gh_flags and gh_iflags fields of the struct gfs2_holder. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-01 23:05:15 +08:00
* of the GNU General Public License version 2.
[GFS2] The core of GFS2 This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-17 00:50:04 +08:00
*/
#ifndef __BMAP_DOT_H__
#define __BMAP_DOT_H__
[GFS2] Make headers compile on their own As per Jan Engelhardt's comments, this should make all the headers compile on their own by including and/or declaring structures early. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-05 22:39:21 +08:00
struct inode;
struct gfs2_inode;
struct page;
[GFS2] Tidy gfs2_unstuffer_page Tidy up gfs2_unstuffer_page by: a) Moving it into bmap.c b) Making it static c) Calling it directly from gfs2_unstuff_dinode d) Updating all callers of gfs2_unstuff_dinode due to one less required argument. It doesn't change the behaviour at all. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-07-26 22:51:20 +08:00
int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page);
[GFS2] Remove function gfs2_get_block This patch is just a cleanup. Function gfs2_get_block() just calls function gfs2_block_map reversing the last two parameters. By reversing the parameters, gfs2_block_map() may be called directly and function gfs2_get_block may be eliminated altogether. Since this function is done for every block operation, this streamlines the code and makes it a little bit more efficient. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2007-12-11 04:13:27 +08:00
int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create);
[GFS2] Readpages support This adds readpages support (and also corrects a small bug in the readpage error path at the same time). Hopefully this will improve performance by allowing GFS to submit larger lumps of I/O at a time. In order to simplify the setting of BH_Boundary, it currently gets set when we hit the end of a indirect pointer block. There is always a boundary at this point with the current allocation code. It doesn't get all the boundaries right though, so there is still room for improvement in this. See comments in fs/gfs2/ops_address.c for further information about readpages with GFS2. Signed-off-by: Steven Whitehouse
2006-05-06 04:59:11 +08:00
int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen);
[GFS2] The core of GFS2 This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-17 00:50:04 +08:00
[GFS2] Change all types to uX style This makes all fixed size types have consistent names. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-05 00:49:07 +08:00
int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
[GFS2] The core of GFS2 This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-17 00:50:04 +08:00
int gfs2_truncatei_resume(struct gfs2_inode *ip);
int gfs2_file_dealloc(struct gfs2_inode *ip);
void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
unsigned int *data_blocks,
unsigned int *ind_blocks);
[GFS2] Change all types to uX style This makes all fixed size types have consistent names. Cc: Jan Engelhardt <jengelh@linux01.gwdg.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-09-05 00:49:07 +08:00
int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
[GFS2] The core of GFS2 This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-01-17 00:50:04 +08:00
unsigned int len, int *alloc_required);
#endif /* __BMAP_DOT_H__ */
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