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https://github.com/torvalds/linux
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8633ecfaba
We already have an offline uevent (used when a withdraw occurs) but no online uevent. This adds an online uevent so that userspace will be able to detect a successful mount by means other than not receiving a remove event after the add & recovery (change) uevents. It has also been added to the remount path as well - we can't use a change uevent there as older GFS2 userspace acts on change uevents according to the state that it thinks the fs is in, so we can't easily add any new ones. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
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* Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License version 2.
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*/
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#ifndef __SUPER_DOT_H__
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#define __SUPER_DOT_H__
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#include <linux/fs.h>
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#include <linux/dcache.h>
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#include "incore.h"
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extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
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static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
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{
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unsigned int x;
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spin_lock(&sdp->sd_jindex_spin);
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x = sdp->sd_journals;
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spin_unlock(&sdp->sd_jindex_spin);
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return x;
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}
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extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
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extern int gfs2_mount_args(struct gfs2_sbd *sdp, struct gfs2_args *args, char *data);
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extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
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extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
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extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
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struct gfs2_inode **ipp);
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extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
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extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
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extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
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extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
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s64 dinodes);
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extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
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const void *buf);
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extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
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struct buffer_head *l_bh);
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extern int gfs2_statfs_sync(struct gfs2_sbd *sdp);
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extern int gfs2_freeze_fs(struct gfs2_sbd *sdp);
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extern void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
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extern struct file_system_type gfs2_fs_type;
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extern struct file_system_type gfs2meta_fs_type;
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extern const struct export_operations gfs2_export_ops;
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extern const struct super_operations gfs2_super_ops;
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extern const struct dentry_operations gfs2_dops;
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#endif /* __SUPER_DOT_H__ */
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