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android_kernel_xiaomi_sm8350/fs/gfs2/quota.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>
2006-01-16 11:50:04 -05:00
/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
[GFS2] Update copyright date to 2006 Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2006-05-18 15:09:15 -04:00
* 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>
2006-01-16 11:50:04 -05:00
*
* 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 11:05:15 -04:00
* 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>
2006-01-16 11:50:04 -05:00
*/
#ifndef __QUOTA_DOT_H__
#define __QUOTA_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 10:39:21 -04:00
struct gfs2_inode;
struct gfs2_sbd;
[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>
2006-09-04 12:49:07 -04:00
#define NO_QUOTA_CHANGE ((u32)-1)
[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>
2006-01-16 11:50:04 -05:00
[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>
2006-09-04 12:49:07 -04:00
int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
[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>
2006-01-16 11:50:04 -05:00
void gfs2_quota_unhold(struct gfs2_inode *ip);
[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>
2006-09-04 12:49:07 -04:00
int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
[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>
2006-01-16 11:50:04 -05:00
void gfs2_quota_unlock(struct gfs2_inode *ip);
[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>
2006-09-04 12:49:07 -04:00
int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
u32 uid, u32 gid);
[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>
2006-01-16 11:50:04 -05:00
int gfs2_quota_sync(struct gfs2_sbd *sdp);
[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>
2006-09-04 12:49:07 -04:00
int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
[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>
2006-01-16 11:50:04 -05:00
int gfs2_quota_init(struct gfs2_sbd *sdp);
void gfs2_quota_scan(struct gfs2_sbd *sdp);
void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
[GFS2] Streamline quota lock/check for no-quota case This patch streamlines the quota checking in the "no quota" case by making the check inline in the calling function, thus reducing the number of function calls. Eventually we might be able to remove the checks from the gfs2_quota_lock() and gfs2_quota_check() functions, but currently we can't as there are a very few places in the code which need to call these functions directly still. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Abhijith Das <adas@redhat.com>
2008-03-10 11:34:50 -04:00
static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
int ret;
if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
return 0;
ret = gfs2_quota_lock(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
if (ret)
return ret;
if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
return 0;
ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid);
if (ret)
gfs2_quota_unlock(ip);
return ret;
}
[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>
2006-01-16 11:50:04 -05:00
#endif /* __QUOTA_DOT_H__ */
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