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6f04c1c7fe
The following patch fixes an issue relating to remount and argument parsing. After this fix is applied, remount becomes atomic in that it either succeeds changing the mount to the new state, or it fails and leaves it in the old state. Previously it was possible for the parsing of options to fail part way though and for the fs to be left in a state where some of the new arguments had been applied, but some had not. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
56 lines
1.7 KiB
C
56 lines
1.7 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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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 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 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 struct dentry_operations gfs2_dops;
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#endif /* __SUPER_DOT_H__ */
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