Release 4.10 fs/ocfs2/inode.c

/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * inode.c
 *
 * vfs' aops, fops, dops and iops
 *
 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#include <linux/fs.h>
#include <linux/types.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <linux/quotaops.h>

#include <asm/byteorder.h>

#include <cluster/masklog.h>

#include "ocfs2.h"

#include "alloc.h"
#include "dir.h"
#include "blockcheck.h"
#include "dlmglue.h"
#include "extent_map.h"
#include "file.h"
#include "heartbeat.h"
#include "inode.h"
#include "journal.h"
#include "namei.h"
#include "suballoc.h"
#include "super.h"
#include "symlink.h"
#include "sysfile.h"
#include "uptodate.h"
#include "xattr.h"
#include "refcounttree.h"
#include "ocfs2_trace.h"
#include "filecheck.h"

#include "buffer_head_io.h"


struct ocfs2_find_inode_args
{
	
u64		fi_blkno;
	
unsigned long	fi_ino;
	
unsigned int	fi_flags;
	
unsigned int	fi_sysfile_type;
};


static struct lock_class_key ocfs2_sysfile_lock_key[NUM_SYSTEM_INODES];

static int ocfs2_read_locked_inode(struct inode *inode,
				   struct ocfs2_find_inode_args *args);
static int ocfs2_init_locked_inode(struct inode *inode, void *opaque);
static int ocfs2_find_actor(struct inode *inode, void *opaque);
static int ocfs2_truncate_for_delete(struct ocfs2_super *osb,
				    struct inode *inode,
				    struct buffer_head *fe_bh);

static int ocfs2_filecheck_read_inode_block_full(struct inode *inode,
						 struct buffer_head **bh,
						 int flags, int type);
static int ocfs2_filecheck_validate_inode_block(struct super_block *sb,
						struct buffer_head *bh);
static int ocfs2_filecheck_repair_inode_block(struct super_block *sb,
					      struct buffer_head *bh);



void ocfs2_set_inode_flags(struct inode *inode)
{
	unsigned int flags = OCFS2_I(inode)->ip_attr;

	inode->i_flags &= ~(S_IMMUTABLE |
		S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);

	if (flags & OCFS2_IMMUTABLE_FL)
		inode->i_flags |= S_IMMUTABLE;

	if (flags & OCFS2_SYNC_FL)
		inode->i_flags |= S_SYNC;
	if (flags & OCFS2_APPEND_FL)
		inode->i_flags |= S_APPEND;
	if (flags & OCFS2_NOATIME_FL)
		inode->i_flags |= S_NOATIME;
	if (flags & OCFS2_DIRSYNC_FL)
		inode->i_flags |= S_DIRSYNC;
}

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/* Propagate flags from i_flags to OCFS2_I(inode)->ip_attr */


void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi)
{
	unsigned int flags = oi->vfs_inode.i_flags;

	oi->ip_attr &= ~(OCFS2_SYNC_FL|OCFS2_APPEND_FL|
			OCFS2_IMMUTABLE_FL|OCFS2_NOATIME_FL|OCFS2_DIRSYNC_FL);
	if (flags & S_SYNC)
		oi->ip_attr |= OCFS2_SYNC_FL;
	if (flags & S_APPEND)
		oi->ip_attr |= OCFS2_APPEND_FL;
	if (flags & S_IMMUTABLE)
		oi->ip_attr |= OCFS2_IMMUTABLE_FL;
	if (flags & S_NOATIME)
		oi->ip_attr |= OCFS2_NOATIME_FL;
	if (flags & S_DIRSYNC)
		oi->ip_attr |= OCFS2_DIRSYNC_FL;
}

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struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
{
	struct ocfs2_find_inode_args args;

	args.fi_blkno = blkno;
	args.fi_flags = 0;
	args.fi_ino = ino_from_blkno(sb, blkno);
	args.fi_sysfile_type = 0;

	return ilookup5(sb, blkno, ocfs2_find_actor, &args);
}
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struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
			 int sysfile_type)
{
	int rc = 0;
	struct inode *inode = NULL;
	struct super_block *sb = osb->sb;
	struct ocfs2_find_inode_args args;
	journal_t *journal = OCFS2_SB(sb)->journal->j_journal;

	trace_ocfs2_iget_begin((unsigned long long)blkno, flags,
			       sysfile_type);

	/* Ok. By now we've either got the offsets passed to us by the
         * caller, or we just pulled them off the bh. Lets do some
         * sanity checks to make sure they're OK. */
	if (blkno == 0) {
		inode = ERR_PTR(-EINVAL);
		mlog_errno(PTR_ERR(inode));
		goto bail;
	}

	args.fi_blkno = blkno;
	args.fi_flags = flags;
	args.fi_ino = ino_from_blkno(sb, blkno);
	args.fi_sysfile_type = sysfile_type;

	inode = iget5_locked(sb, args.fi_ino, ocfs2_find_actor,
			     ocfs2_init_locked_inode, &args);
	/* inode was *not* in the inode cache. 2.6.x requires
         * us to do our own read_inode call and unlock it
         * afterwards. */
	if (inode == NULL) {
		inode = ERR_PTR(-ENOMEM);
		mlog_errno(PTR_ERR(inode));
		goto bail;
	}
	trace_ocfs2_iget5_locked(inode->i_state);
	if (inode->i_state & I_NEW) {
		rc = ocfs2_read_locked_inode(inode, &args);
		unlock_new_inode(inode);
	}
	if (is_bad_inode(inode)) {
		iput(inode);
		inode = ERR_PTR(rc);
		goto bail;
	}

	/*
         * Set transaction id's of transactions that have to be committed
         * to finish f[data]sync. We set them to currently running transaction
         * as we cannot be sure that the inode or some of its metadata isn't
         * part of the transaction - the inode could have been reclaimed and
         * now it is reread from disk.
         */
	if (journal) {
		transaction_t *transaction;
		tid_t tid;
		struct ocfs2_inode_info *oi = OCFS2_I(inode);

		read_lock(&journal->j_state_lock);
		if (journal->j_running_transaction)
			transaction = journal->j_running_transaction;
		else
			transaction = journal->j_committing_transaction;
		if (transaction)
			tid = transaction->t_tid;
		else
			tid = journal->j_commit_sequence;
		read_unlock(&journal->j_state_lock);
		oi->i_sync_tid = tid;
		oi->i_datasync_tid = tid;
	}

bail:
	if (!IS_ERR(inode)) {
		trace_ocfs2_iget_end(inode, 
			(unsigned long long)OCFS2_I(inode)->ip_blkno);
	}

	return inode;
}


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darrick j. wong
darrick j. wong
101
28.69%
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12.50%
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tao ma
40
11.36%
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gang he
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3.98%
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jan kara
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2.84%
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352
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/*
 * here's how inodes get read from disk:
 * iget5_locked -> find_actor -> OCFS2_FIND_ACTOR
 * found? : return the in-memory inode
 * not found? : get_new_inode -> OCFS2_INIT_LOCKED_INODE
 */



static int ocfs2_find_actor(struct inode *inode, void *opaque)
{
	struct ocfs2_find_inode_args *args = NULL;
	struct ocfs2_inode_info *oi = OCFS2_I(inode);
	int ret = 0;

	args = opaque;

	mlog_bug_on_msg(!inode, "No inode in find actor!\n");

	trace_ocfs2_find_actor(inode, inode->i_ino, opaque, args->fi_blkno);

	if (oi->ip_blkno != args->fi_blkno)
		goto bail;

	ret = 1;
bail:
	return ret;
}

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/*
 * initialize the new inode, but don't do anything that would cause
 * us to sleep.
 * return 0 on success, 1 on failure
 */


static int ocfs2_init_locked_inode(struct inode *inode, void *opaque)
{
	struct ocfs2_find_inode_args *args = opaque;
	static struct lock_class_key ocfs2_quota_ip_alloc_sem_key,
				     ocfs2_file_ip_alloc_sem_key;

	inode->i_ino = args->fi_ino;
	OCFS2_I(inode)->ip_blkno = args->fi_blkno;
	if (args->fi_sysfile_type != 0)
		lockdep_set_class(&inode->i_rwsem,
			&ocfs2_sysfile_lock_key[args->fi_sysfile_type]);
	if (args->fi_sysfile_type == USER_QUOTA_SYSTEM_INODE ||
	    args->fi_sysfile_type == GROUP_QUOTA_SYSTEM_INODE ||
	    args->fi_sysfile_type == LOCAL_USER_QUOTA_SYSTEM_INODE ||
	    args->fi_sysfile_type == LOCAL_GROUP_QUOTA_SYSTEM_INODE)
		lockdep_set_class(&OCFS2_I(inode)->ip_alloc_sem,
				  &ocfs2_quota_ip_alloc_sem_key);
	else
		lockdep_set_class(&OCFS2_I(inode)->ip_alloc_sem,
				  &ocfs2_file_ip_alloc_sem_key);

	return 0;
}

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al viro
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void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
			  int create_ino)
{
	struct super_block *sb;
	struct ocfs2_super *osb;
	int use_plocks = 1;

	sb = inode->i_sb;
	osb = OCFS2_SB(sb);

	if ((osb->s_mount_opt & OCFS2_MOUNT_LOCALFLOCKS) ||
	    ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks())
		use_plocks = 0;

	/*
         * These have all been checked by ocfs2_read_inode_block() or set
         * by ocfs2_mknod_locked(), so a failure is a code bug.
         */
	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));  /* This means that read_inode
                                                cannot create a superblock
                                                inode today.  change if
                                                that is needed. */
	BUG_ON(!(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL)));
	BUG_ON(le32_to_cpu(fe->i_fs_generation) != osb->fs_generation);


	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
	OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr);
	OCFS2_I(inode)->ip_dyn_features = le16_to_cpu(fe->i_dyn_features);

	inode->i_version = 1;
	inode->i_generation = le32_to_cpu(fe->i_generation);
	inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
	inode->i_mode = le16_to_cpu(fe->i_mode);
	i_uid_write(inode, le32_to_cpu(fe->i_uid));
	i_gid_write(inode, le32_to_cpu(fe->i_gid));

	/* Fast symlinks will have i_size but no allocated clusters. */
	if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
		inode->i_blocks = 0;
		inode->i_mapping->a_ops = &ocfs2_fast_symlink_aops;
	} else {
		inode->i_blocks = ocfs2_inode_sector_count(inode);
		inode->i_mapping->a_ops = &ocfs2_aops;
	}
	inode->i_atime.tv_sec = le64_to_cpu(fe->i_atime);
	inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec);
	inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime);
	inode->i_mtime.tv_nsec = le32_to_cpu(fe->i_mtime_nsec);
	inode->i_ctime.tv_sec = le64_to_cpu(fe->i_ctime);
	inode->i_ctime.tv_nsec = le32_to_cpu(fe->i_ctime_nsec);

	if (OCFS2_I(inode)->ip_blkno != le64_to_cpu(fe->i_blkno))
		mlog(ML_ERROR,
		     "ip_blkno %llu != i_blkno %llu!\n",
		     (unsigned long long)OCFS2_I(inode)->ip_blkno,
		     (unsigned long long)le64_to_cpu(fe->i_blkno));

	set_nlink(inode, ocfs2_read_links_count(fe));

	trace_ocfs2_populate_inode(OCFS2_I(inode)->ip_blkno,
				   le32_to_cpu(fe->i_flags));
	if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) {
		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SYSTEM_FILE;
		inode->i_flags |= S_NOQUOTA;
	}
  
	if (fe->i_flags & cpu_to_le32(OCFS2_LOCAL_ALLOC_FL)) {
		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP;
	} else if (fe->i_flags & cpu_to_le32(OCFS2_BITMAP_FL)) {
		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP;
	} else if (fe->i_flags & cpu_to_le32(OCFS2_QUOTA_FL)) {
		inode->i_flags |= S_NOQUOTA;
	} else if (fe->i_flags & cpu_to_le32(OCFS2_SUPER_BLOCK_FL)) {
		/* we can't actually hit this as read_inode can't
                 * handle superblocks today ;-) */
		BUG();
	}

	switch (inode->i_mode & S_IFMT) {
	    case S_IFREG:
		    if (use_plocks)
			    inode->i_fop = &ocfs2_fops;
		    else
			    inode->i_fop = &ocfs2_fops_no_plocks;
		    inode->i_op = &ocfs2_file_iops;
		    i_size_write(inode, le64_to_cpu(fe->i_size));
		    break;
	    case S_IFDIR:
		    inode->i_op = &ocfs2_dir_iops;
		    if (use_plocks)
			    inode->i_fop = &ocfs2_dops;
		    else
			    inode->i_fop = &ocfs2_dops_no_plocks;
		    i_size_write(inode, le64_to_cpu(fe->i_size));
		    OCFS2_I(inode)->ip_dir_lock_gen = 1;
		    break;
	    case S_IFLNK:
		    inode->i_op = &ocfs2_symlink_inode_operations;
		    inode_nohighmem(inode);
		    i_size_write(inode, le64_to_cpu(fe->i_size));
		    break;
	    default:
		    inode->i_op = &ocfs2_special_file_iops;
		    init_special_inode(inode, inode->i_mode,
				       inode->i_rdev);
		    break;
	}

	if (create_ino) {
		inode->i_ino = ino_from_blkno(inode->i_sb,
			       le64_to_cpu(fe->i_blkno));

		/*
                 * If we ever want to create system files from kernel,
                 * the generation argument to
                 * ocfs2_inode_lock_res_init() will have to change.
                 */
		BUG_ON(le32_to_cpu(fe->i_flags) & OCFS2_SYSTEM_FL);

		ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_inode_lockres,
					  OCFS2_LOCK_TYPE_META, 0, inode);

		ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_open_lockres,
					  OCFS2_LOCK_TYPE_OPEN, 0, inode);
	}

	ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_rw_lockres,
				  OCFS2_LOCK_TYPE_RW, inode->i_generation,
				  inode);

	ocfs2_set_inode_flags(inode);

	OCFS2_I(inode)->ip_last_used_slot = 0;
	OCFS2_I(inode)->ip_last_used_group = 0;

	if (S_ISDIR(inode->i_mode))
		ocfs2_resv_set_type(&OCFS2_I(inode)->ip_la_data_resv,
				    OCFS2_RESV_FLAG_DIR);
}

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mark fasheh
690
83.64%
10
45.45%
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tao ma
35
4.24%
2
9.09%
jan kara
jan kara
28
3.39%
2
9.09%
al viro
al viro
18
2.18%
2
9.09%
tiger yang
tiger yang
17
2.06%
1
4.55%
joel becker
joel becker
11
1.33%
1
4.55%
goldwyn rodrigues
goldwyn rodrigues
9
1.09%
1
4.55%
eric w. biederman
eric w. biederman
8
0.97%
1
4.55%
herbert poetzl
herbert poetzl
5
0.61%
1
4.55%
miklos szeredi
miklos szeredi
4
0.48%
1
4.55%
Total
825
100.00%
22
100.00%



static int ocfs2_read_locked_inode(struct inode *inode,
				   struct ocfs2_find_inode_args *args)
{
	struct super_block *sb;
	struct ocfs2_super *osb;
	struct ocfs2_dinode *fe;
	struct buffer_head *bh = NULL;
	int status, can_lock, lock_level = 0;
	u32 generation = 0;

	status = -EINVAL;
	sb = inode->i_sb;
	osb = OCFS2_SB(sb);

	/*
         * To improve performance of cold-cache inode stats, we take
         * the cluster lock here if possible.
         *
         * Generally, OCFS2 never trusts the contents of an inode
         * unless it's holding a cluster lock, so taking it here isn't
         * a correctness issue as much as it is a performance
         * improvement.
         *
         * There are three times when taking the lock is not a good idea:
         *
         * 1) During startup, before we have initialized the DLM.
         *
         * 2) If we are reading certain system files which never get
         *    cluster locks (local alloc, truncate log).
         *
         * 3) If the process doing the iget() is responsible for
         *    orphan dir recovery. We're holding the orphan dir lock and
         *    can get into a deadlock with another process on another
         *    node in ->delete_inode().
         *
         * #1 and #2 can be simply solved by never taking the lock
         * here for system files (which are the only type we read
         * during mount). It's a heavier approach, but our main
         * concern is user-accessible files anyway.
         *
         * #3 works itself out because we'll eventually take the
         * cluster lock before trusting anything anyway.
         */
	can_lock = !(args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
		&& !(args->fi_flags & OCFS2_FI_FLAG_ORPHAN_RECOVERY)
		&& !ocfs2_mount_local(osb);

	trace_ocfs2_read_locked_inode(
		(unsigned long long)OCFS2_I(inode)->ip_blkno, can_lock);

	/*
         * To maintain backwards compatibility with older versions of
         * ocfs2-tools, we still store the generation value for system
         * files. The only ones that actually matter to userspace are
         * the journals, but it's easier and inexpensive to just flag
         * all system files similarly.
         */
	if (args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
		generation = osb->fs_generation;

	ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_inode_lockres,
				  OCFS2_LOCK_TYPE_META,
				  generation, inode);

	ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_open_lockres,
				  OCFS2_LOCK_TYPE_OPEN,
				  0, inode);

	if (can_lock) {
		status = ocfs2_open_lock(inode);
		if (status) {
			make_bad_inode(inode);
			mlog_errno(status);
			return status;
		}
		status = ocfs2_inode_lock(inode, NULL, lock_level);
		if (status) {
			make_bad_inode(inode);
			mlog_errno(status);
			return status;
		}
	}

	if (args->fi_flags & OCFS2_FI_FLAG_ORPHAN_RECOVERY) {
		status = ocfs2_try_open_lock(inode, 0);
		if (status) {
			make_bad_inode(inode);
			return status;
		}
	}

	if (can_lock) {
		if (args->fi_flags & OCFS2_FI_FLAG_FILECHECK_CHK)
			status = ocfs2_filecheck_read_inode_block_full(inode,
						&bh, OCFS2_BH_IGNORE_CACHE, 0);
		else if (args->fi_flags & OCFS2_FI_FLAG_FILECHECK_FIX)
			status = ocfs2_filecheck_read_inode_block_full(inode,
						&bh, OCFS2_BH_IGNORE_CACHE, 1);
		else
			status = ocfs2_read_inode_block_full(inode,
						&bh, OCFS2_BH_IGNORE_CACHE);
	} else {
		status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh);
		/*
                 * If buffer is in jbd, then its checksum may not have been
                 * computed as yet.
                 */
		if (!status && !buffer_jbd(bh)) {
			if (args->fi_flags & OCFS2_FI_FLAG_FILECHECK_CHK)
				status = ocfs2_filecheck_validate_inode_block(
								osb->sb, bh);
			else if (args->fi_flags & OCFS2_FI_FLAG_FILECHECK_FIX)
				status = ocfs2_filecheck_repair_inode_block(
								osb->sb, bh);
			else
				status = ocfs2_validate_inode_block(
								osb->sb, bh);
		}
	}
	if (status < 0) {
		mlog_errno(status);
		goto bail;
	}

	status = -EINVAL;
	fe = (struct ocfs2_dinode *) bh->b_data;

	/*
         * This is a code bug. Right now the caller needs to
         * understand whether it is asking for a system file inode or
         * not so the proper lock names can be built.
         */
	mlog_bug_on_msg(!!(fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) !=
			!!(args->fi_flags & OCFS2_FI_FLAG_SYSFILE),
			"Inode %llu: system file state is ambigous\n",
			(unsigned long long)args->fi_blkno);

	if (S_ISCHR(le16_to_cpu(fe->i_mode)) ||
	    S_ISBLK(le16_to_cpu(fe->i_mode)))
		inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));

	ocfs2_populate_inode(inode, fe, 0);

	BUG_ON(args->fi_blkno != le64_to_cpu(fe->i_blkno));

	if (buffer_dirty(bh) && !buffer_jbd(bh)) {
		if (can_lock) {
			ocfs2_inode_unlock(inode, lock_level);
			lock_level = 1;
			ocfs2_inode_lock(inode, NULL, lock_level);
		}
		status = ocfs2_write_block(osb, bh, INODE_CACHE(inode));
		if (status < 0) {
			mlog_errno(status);
			goto bail;
		}
	}

	status = 0;

bail:
	if (can_lock)
		ocfs2_inode_unlock(inode, lock_level);

	if (status < 0)
		make_bad_inode(inode);

	brelse(bh);

	return status;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
mark fasheh
mark fasheh
328
50.77%
3
23.08%
gang he
gang he
165
25.54%
1
7.69%
tiger yang
tiger yang
77
11.92%
1
7.69%
joel becker
joel becker
45
6.97%
4
30.77%
tao ma
tao ma
17
2.63%
1
7.69%
sunil mushran
sunil mushran
13
2.01%
2
15.38%
uwe kleine-koenig
uwe kleine-koenig
1
0.15%
1
7.69%
Total
646
100.00%
13
100.00%



void ocfs2_sync_blockdev(struct super_block *sb)
{
	sync_blockdev(sb->s_bdev);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
mark fasheh
mark fasheh
17
100.00%
1
100.00%
Total
17
100.00%
1
100.00%



static int ocfs2_truncate_for_delete(struct ocfs2_super *osb,
				     struct inode *inode,
				     struct buffer_head *fe_bh)
{
	int status = 0;
	struct ocfs2_dinode *fe;
	handle_t *handle = NULL;

	fe = (struct ocfs2_dinode *) fe_bh->b_data;

	/*
         * This check will also skip truncate of inodes with inline
         * data and fast symlinks.
         */
	if (fe->i_clusters) {
		if (ocfs2_should_order_data(inode))
			ocfs2_begin_ordered_truncate(inode, 0);

		handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
		if (IS_ERR(handle)) {
			status = PTR_ERR(handle);
			handle = NULL;
			mlog_errno(status);
			goto out;
		}

		status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),
						 fe_bh,
						 OCFS2_JOURNAL_ACCESS_WRITE);
		if (status < 0) {
			mlog_errno(status);
			goto out;
		}

		i_size_write(inode, 0);

		status = ocfs2_mark_inode_dirty(handle, inode, fe_bh);
		if (status < 0) {
			mlog_errno(status);
			goto out;
		}

		ocfs2_commit_trans(osb, handle);
		handle = NULL;

		status = ocfs2_commit_truncate(osb, inode, fe_bh);
		if (status < 0) {
			mlog_errno(status);
			goto out;
		}
	}

out:
	if (handle)
		ocfs2_commit_trans(osb, handle);
	return status;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
mark fasheh
mark fasheh
206
90.35%
4
50.00%
joel becker
joel becker
18
7.89%
3
37.50%
dan carpenter
dan carpenter
4
1.75%
1
12.50%
Total
228
100.00%
8
100.00%



static int ocfs2_remove_inode(struct inode *inode,
			      struct buffer_head *di_bh,
			      struct inode *orphan_dir_inode,
			      struct buffer_head *orphan_dir_bh)
{
	int status;
	struct inode *inode_alloc_inode = NULL;
	struct buffer_head *inode_alloc_bh = NULL;
	handle_t *handle;
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data;

	inode_alloc_inode =
		ocfs2_get_system_file_inode(osb, INODE_ALLOC_SYSTEM_INODE,
					    le16_to_cpu(di->i_suballoc_slot));
	if (!inode_alloc_inode) {
		status = -ENOENT;
		mlog_errno(status);
		goto bail;
	}

	inode_lock(inode_alloc_inode);
	status = ocfs2_inode_lock(inode_alloc_inode, &inode_alloc_bh, 1);
	if (status < 0) {
		inode_unlock(inode_alloc_inode);

		mlog_errno(status);
		goto bail;
	}

	handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS +
				   ocfs2_quota_trans_credits(inode->i_sb));
	if (IS_ERR(handle)) {
		status =