Release 4.10 fs/ocfs2/namei.c

/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * namei.c
 *
 * Create and rename file, directory, symlinks
 *
 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 *
 *  Portions of this code from linux/fs/ext3/dir.c
 *
 *  Copyright (C) 1992, 1993, 1994, 1995
 *  Remy Card (card@masi.ibp.fr)
 *  Laboratoire MASI - Institut Blaise pascal
 *  Universite Pierre et Marie Curie (Paris VI)
 *
 *   from
 *
 *   linux/fs/minix/dir.c
 *
 *   Copyright (C) 1991, 1992 Linux Torvalds
 *
 * 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/slab.h>
#include <linux/highmem.h>
#include <linux/quotaops.h>

#include <cluster/masklog.h>

#include "ocfs2.h"

#include "alloc.h"
#include "dcache.h"
#include "dir.h"
#include "dlmglue.h"
#include "extent_map.h"
#include "file.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 "acl.h"
#include "ocfs2_trace.h"

#include "buffer_head_io.h"

static int ocfs2_mknod_locked(struct ocfs2_super *osb,
			      struct inode *dir,
			      struct inode *inode,
			      dev_t dev,
			      struct buffer_head **new_fe_bh,
			      struct buffer_head *parent_fe_bh,
			      handle_t *handle,
			      struct ocfs2_alloc_context *inode_ac);

static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
				    struct inode **ret_orphan_dir,
				    u64 blkno,
				    char *name,
				    struct ocfs2_dir_lookup_result *lookup,
				    bool dio);

static int ocfs2_orphan_add(struct ocfs2_super *osb,
			    handle_t *handle,
			    struct inode *inode,
			    struct buffer_head *fe_bh,
			    char *name,
			    struct ocfs2_dir_lookup_result *lookup,
			    struct inode *orphan_dir_inode,
			    bool dio);

static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
				     handle_t *handle,
				     struct inode *inode,
				     const char *symname);

static int ocfs2_double_lock(struct ocfs2_super *osb,
			     struct buffer_head **bh1,
			     struct inode *inode1,
			     struct buffer_head **bh2,
			     struct inode *inode2,
			     int rename);

static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2);
/* An orphan dir name is an 8 byte value, printed as a hex string */

#define OCFS2_ORPHAN_NAMELEN ((int)(2 * sizeof(u64)))



static struct dentry *ocfs2_lookup(struct inode *dir, struct dentry *dentry,
				   unsigned int flags)
{
	int status;
	u64 blkno;
	struct inode *inode = NULL;
	struct dentry *ret;
	struct ocfs2_inode_info *oi;

	trace_ocfs2_lookup(dir, dentry, dentry->d_name.len,
			   dentry->d_name.name,
			   (unsigned long long)OCFS2_I(dir)->ip_blkno, 0);

	if (dentry->d_name.len > OCFS2_MAX_FILENAME_LEN) {
		ret = ERR_PTR(-ENAMETOOLONG);
		goto bail;
	}

	status = ocfs2_inode_lock_nested(dir, NULL, 0, OI_LS_PARENT);
	if (status < 0) {
		if (status != -ENOENT)
			mlog_errno(status);
		ret = ERR_PTR(status);
		goto bail;
	}

	status = ocfs2_lookup_ino_from_name(dir, dentry->d_name.name,
					    dentry->d_name.len, &blkno);
	if (status < 0)
		goto bail_add;

	inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0);
	if (IS_ERR(inode)) {
		ret = ERR_PTR(-EACCES);
		goto bail_unlock;
	}

	oi = OCFS2_I(inode);
	/* Clear any orphaned state... If we were able to look up the
         * inode from a directory, it certainly can't be orphaned. We
         * might have the bad state from a node which intended to
         * orphan this inode but crashed before it could commit the
         * unlink. */
	spin_lock(&oi->ip_lock);
	oi->ip_flags &= ~OCFS2_INODE_MAYBE_ORPHANED;
	spin_unlock(&oi->ip_lock);

bail_add:
	ret = d_splice_alias(inode, dentry);

	if (inode) {
		/*
                 * If d_splice_alias() finds a DCACHE_DISCONNECTED
                 * dentry, it will d_move() it on top of ourse. The
                 * return value will indicate this however, so in
                 * those cases, we switch them around for the locking
                 * code.
                 *
                 * NOTE: This dentry already has ->d_op set from
                 * ocfs2_get_parent() and ocfs2_get_dentry()
                 */
		if (!IS_ERR_OR_NULL(ret))
			dentry = ret;

		status = ocfs2_dentry_attach_lock(dentry, inode,
						  OCFS2_I(dir)->ip_blkno);
		if (status) {
			mlog_errno(status);
			ret = ERR_PTR(status);
			goto bail_unlock;
		}
	} else
		ocfs2_dentry_attach_gen(dentry);

bail_unlock:
	/* Don't drop the cluster lock until *after* the d_add --
         * unlink on another node will message us to remove that
         * dentry under this lock so otherwise we can race this with
         * the downconvert thread and have a stale dentry. */
	ocfs2_inode_unlock(dir, 0);

bail:

	trace_ocfs2_lookup_ret(ret);

	return ret;
}

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mark fasheh
mark fasheh
303
89.91%
6
50.00%
tao ma
tao ma
16
4.75%
1
8.33%
goldwyn rodrigues
goldwyn rodrigues
6
1.78%
1
8.33%
jan kara
jan kara
5
1.48%
2
16.67%
richard weinberger
richard weinberger
4
1.19%
1
8.33%
al viro
al viro
3
0.89%
1
8.33%
Total
337
100.00%
12
100.00%



static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
{
	struct inode *inode;
	int status;

	inode = new_inode(dir->i_sb);
	if (!inode) {
		mlog(ML_ERROR, "new_inode failed!\n");
		return ERR_PTR(-ENOMEM);
	}

	/* populate as many fields early on as possible - many of
         * these are used by the support functions here and in
         * callers. */
	if (S_ISDIR(mode))
		set_nlink(inode, 2);
	inode_init_owner(inode, dir, mode);
	status = dquot_initialize(inode);
	if (status)
		return ERR_PTR(status);

	return inode;
}

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CommitProp
tiger yang
tiger yang
64
65.31%
1
14.29%
jan kara
jan kara
24
24.49%
2
28.57%
miklos szeredi
miklos szeredi
4
4.08%
1
14.29%
dmitriy monakhov
dmitriy monakhov
4
4.08%
1
14.29%
al viro
al viro
1
1.02%
1
14.29%
christoph hellwig
christoph hellwig
1
1.02%
1
14.29%
Total
98
100.00%
7
100.00%



static void ocfs2_cleanup_add_entry_failure(struct ocfs2_super *osb,
		struct dentry *dentry, struct inode *inode)
{
	struct ocfs2_dentry_lock *dl = dentry->d_fsdata;

	ocfs2_simple_drop_lockres(osb, &dl->dl_lockres);
	ocfs2_lock_res_free(&dl->dl_lockres);
	BUG_ON(dl->dl_count != 1);
	spin_lock(&dentry_attach_lock);
	dentry->d_fsdata = NULL;
	spin_unlock(&dentry_attach_lock);
	kfree(dl);
	iput(inode);
}

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yiwen jiang
yiwen jiang
85
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1
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85
100.00%
1
100.00%



static int ocfs2_mknod(struct inode *dir,
		       struct dentry *dentry,
		       umode_t mode,
		       dev_t dev)
{
	int status = 0;
	struct buffer_head *parent_fe_bh = NULL;
	handle_t *handle = NULL;
	struct ocfs2_super *osb;
	struct ocfs2_dinode *dirfe;
	struct buffer_head *new_fe_bh = NULL;
	struct inode *inode = NULL;
	struct ocfs2_alloc_context *inode_ac = NULL;
	struct ocfs2_alloc_context *data_ac = NULL;
	struct ocfs2_alloc_context *meta_ac = NULL;
	int want_clusters = 0;
	int want_meta = 0;
	int xattr_credits = 0;
	struct ocfs2_security_xattr_info si = {
		.enable = 1,
        };
	int did_quota_inode = 0;
	struct ocfs2_dir_lookup_result lookup = { NULL, };
	sigset_t oldset;
	int did_block_signals = 0;
	struct ocfs2_dentry_lock *dl = NULL;

	trace_ocfs2_mknod(dir, dentry, dentry->d_name.len, dentry->d_name.name,
			  (unsigned long long)OCFS2_I(dir)->ip_blkno,
			  (unsigned long)dev, mode);

	status = dquot_initialize(dir);
	if (status) {
		mlog_errno(status);
		return status;
	}

	/* get our super block */
	osb = OCFS2_SB(dir->i_sb);

	status = ocfs2_inode_lock(dir, &parent_fe_bh, 1);
	if (status < 0) {
		if (status != -ENOENT)
			mlog_errno(status);
		return status;
	}

	if (S_ISDIR(mode) && (dir->i_nlink >= ocfs2_link_max(osb))) {
		status = -EMLINK;
		goto leave;
	}

	dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data;
	if (!ocfs2_read_links_count(dirfe)) {
		/* can't make a file in a deleted directory. */
		status = -ENOENT;
		goto leave;
	}

	status = ocfs2_check_dir_for_entry(dir, dentry->d_name.name,
					   dentry->d_name.len);
	if (status)
		goto leave;

	/* get a spot inside the dir. */
	status = ocfs2_prepare_dir_for_insert(osb, dir, parent_fe_bh,
					      dentry->d_name.name,
					      dentry->d_name.len, &lookup);
	if (status < 0) {
		mlog_errno(status);
		goto leave;
	}

	/* reserve an inode spot */
	status = ocfs2_reserve_new_inode(osb, &inode_ac);
	if (status < 0) {
		if (status != -ENOSPC)
			mlog_errno(status);
		goto leave;
	}

	inode = ocfs2_get_init_inode(dir, mode);
	if (IS_ERR(inode)) {
		status = PTR_ERR(inode);
		inode = NULL;
		mlog_errno(status);
		goto leave;
	}

	/* get security xattr */
	status = ocfs2_init_security_get(inode, dir, &dentry->d_name, &si);
	if (status) {
		if (status == -EOPNOTSUPP)
			si.enable = 0;
		else {
			mlog_errno(status);
			goto leave;
		}
	}

	/* calculate meta data/clusters for setting security and acl xattr */
	status = ocfs2_calc_xattr_init(dir, parent_fe_bh, mode,
				       &si, &want_clusters,
				       &xattr_credits, &want_meta);
	if (status < 0) {
		mlog_errno(status);
		goto leave;
	}

	/* Reserve a cluster if creating an extent based directory. */
	if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) {
		want_clusters += 1;

		/* Dir indexing requires extra space as well */
		if (ocfs2_supports_indexed_dirs(osb))
			want_meta++;
	}

	status = ocfs2_reserve_new_metadata_blocks(osb, want_meta, &meta_ac);
	if (status < 0) {
		if (status != -ENOSPC)
			mlog_errno(status);
		goto leave;
	}

	status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac);
	if (status < 0) {
		if (status != -ENOSPC)
			mlog_errno(status);
		goto leave;
	}

	handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb,
							    S_ISDIR(mode),
							    xattr_credits));
	if (IS_ERR(handle)) {
		status = PTR_ERR(handle);
		handle = NULL;
		mlog_errno(status);
		goto leave;
	}

	/* Starting to change things, restart is no longer possible. */
	ocfs2_block_signals(&oldset);
	did_block_signals = 1;

	status = dquot_alloc_inode(inode);
	if (status)
		goto leave;
	did_quota_inode = 1;

	/* do the real work now. */
	status = ocfs2_mknod_locked(osb, dir, inode, dev,
				    &new_fe_bh, parent_fe_bh, handle,
				    inode_ac);
	if (status < 0) {
		mlog_errno(status);
		goto leave;
	}

	if (S_ISDIR(mode)) {
		status = ocfs2_fill_new_dir(osb, handle, dir, inode,
					    new_fe_bh, data_ac, meta_ac);
		if (status < 0) {
			mlog_errno(status);
			goto leave;
		}

		status = ocfs2_journal_access_di(handle, INODE_CACHE(dir),
						 parent_fe_bh,
						 OCFS2_JOURNAL_ACCESS_WRITE);
		if (status < 0) {
			mlog_errno(status);
			goto leave;
		}
		ocfs2_add_links_count(dirfe, 1);
		ocfs2_journal_dirty(handle, parent_fe_bh);
		inc_nlink(dir);
	}

	status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh,
			 meta_ac, data_ac);

	if (status < 0) {
		mlog_errno(status);
		goto leave;
	}

	if (si.enable) {
		status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si,
						 meta_ac, data_ac);
		if (status < 0) {
			mlog_errno(status);
			goto leave;
		}
	}

	/*
         * Do this before adding the entry to the directory. We add
         * also set d_op after success so that ->d_iput() will cleanup
         * the dentry lock even if ocfs2_add_entry() fails below.
         */
	status = ocfs2_dentry_attach_lock(dentry, inode,
					  OCFS2_I(dir)->ip_blkno);
	if (status) {
		mlog_errno(status);
		goto leave;
	}

	dl = dentry->d_fsdata;

	status = ocfs2_add_entry(handle, dentry, inode,
				 OCFS2_I(inode)->ip_blkno, parent_fe_bh,
				 &lookup);
	if (status < 0) {
		mlog_errno(status);
		goto leave;
	}

	insert_inode_hash(inode);
	d_instantiate(dentry, inode);
	status = 0;
leave:
	if (status < 0 && did_quota_inode)
		dquot_free_inode(inode);
	if (handle)
		ocfs2_commit_trans(osb, handle);

	ocfs2_inode_unlock(dir, 1);
	if (did_block_signals)
		ocfs2_unblock_signals(&oldset);

	brelse(new_fe_bh);
	brelse(parent_fe_bh);
	kfree(si.value);

	ocfs2_free_dir_lookup_result(&lookup);

	if (inode_ac)
		ocfs2_free_alloc_context(inode_ac);

	if (data_ac)
		ocfs2_free_alloc_context(data_ac);

	if (meta_ac)
		ocfs2_free_alloc_context(meta_ac);

	/*
         * We should call iput after the i_mutex of the bitmap been
         * unlocked in ocfs2_free_alloc_context, or the
         * ocfs2_delete_inode will mutex_lock again.
         */
	if ((status < 0) && inode) {
		if (dl)
			ocfs2_cleanup_add_entry_failure(osb, dentry, inode);

		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SKIP_ORPHAN_DIR;
		clear_nlink(inode);
		iput(inode);
	}

	if (status)
		mlog_errno(status);

	return status;
}

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mark fasheh
mark fasheh
734
63.17%
8
28.57%
tiger yang
tiger yang
228
19.62%
3
10.71%
jan kara
jan kara
61
5.25%
2
7.14%
li dongyang
li dongyang
32
2.75%
1
3.57%
joel becker
joel becker
31
2.67%
3
10.71%
tao ma
tao ma
26
2.24%
2
7.14%
yiwen jiang
yiwen jiang
25
2.15%
1
3.57%
christoph hellwig
christoph hellwig
14
1.20%
4
14.29%
eric paris
eric paris
5
0.43%
1
3.57%
junxiao bi
junxiao bi
3
0.26%
1
3.57%
dave hansen
dave hansen
2
0.17%
1
3.57%
al viro
al viro
1
0.09%
1
3.57%
Total
1162
100.00%
28
100.00%



static int __ocfs2_mknod_locked(struct inode *dir,
				struct inode *inode,
				dev_t dev,
				struct buffer_head **new_fe_bh,
				struct buffer_head *parent_fe_bh,
				handle_t *handle,
				struct ocfs2_alloc_context *inode_ac,
				u64 fe_blkno, u64 suballoc_loc, u16 suballoc_bit)
{
	int status = 0;
	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
	struct ocfs2_dinode *fe = NULL;
	struct ocfs2_extent_list *fel;
	u16 feat;
	struct ocfs2_inode_info *oi = OCFS2_I(inode);
	struct timespec64 ts;

	*new_fe_bh = NULL;

	/* populate as many fields early on as possible - many of
         * these are used by the support functions here and in
         * callers. */
	inode->i_ino = ino_from_blkno(osb->sb, fe_blkno);
	OCFS2_I(inode)->ip_blkno = fe_blkno;
	spin_lock(&osb->osb_lock);
	inode->i_generation = osb->s_next_generation++;
	spin_unlock(&osb->osb_lock);

	*new_fe_bh = sb_getblk(osb->sb, fe_blkno);
	if (!*new_fe_bh) {
		status = -ENOMEM;
		mlog_errno(status);
		goto leave;
	}
	ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), *new_fe_bh);

	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),
					 *new_fe_bh,
					 OCFS2_JOURNAL_ACCESS_CREATE);
	if (status < 0) {
		mlog_errno(status);
		goto leave;
	}

	fe = (struct ocfs2_dinode *) (*new_fe_bh)->b_data;
	memset(fe, 0, osb->sb->s_blocksize);

	fe->i_generation = cpu_to_le32(inode->i_generation);
	fe->i_fs_generation = cpu_to_le32(osb->fs_generation);
	fe->i_blkno = cpu_to_le64(fe_blkno);
	fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
	fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
	fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
	fe->i_uid = cpu_to_le32(i_uid_read(inode));
	fe->i_gid = cpu_to_le32(i_gid_read(inode));
	fe->i_mode = cpu_to_le16(inode->i_mode);
	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
		fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));

	ocfs2_set_links_count(fe, inode->i_nlink);

	fe->i_last_eb_blk = 0;
	strcpy(fe->i_signature, OCFS2_INODE_SIGNATURE);
	fe->i_flags |= cpu_to_le32(OCFS2_VALID_FL);
	ktime_get_real_ts64(&ts);
	fe->i_atime = fe->i_ctime = fe->i_mtime =
		cpu_to_le64(ts.tv_sec);
	fe->i_mtime_nsec = fe->i_ctime_nsec = fe->i_atime_nsec =
		cpu_to_le32(ts.tv_nsec);
	fe->i_dtime = 0;

	/*
         * If supported, directories start with inline data. If inline
         * isn't supported, but indexing is, we start them as indexed.
         */
	feat = le16_to_cpu(fe->i_dyn_features);
	if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {
		fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL);

		fe->id2.i_data.id_count = cpu_to_le16(
				ocfs2_max_inline_data_with_xattr(osb->sb, fe));
	} else {
		fel = &fe->id2.i_list;
		fel->l_tree_depth = 0;
		fel->l_next_free_rec = 0;
		fel->l_count = cpu_to_le16(ocfs2_extent_recs_per_inode(osb->sb));
	}

	ocfs2_journal_dirty(handle, *new_fe_bh);

	ocfs2_populate_inode(inode, fe, 1);
	ocfs2_ci_set_new(osb, INODE_CACHE(inode));
	if (!ocfs2_mount_local(osb)) {
		status = ocfs2_create_new_inode_locks(inode);
		if (status < 0)
			mlog_errno(status);
	}

	oi->i_sync_tid = handle->h_transaction->t_tid;
	oi->i_datasync_tid = handle->h_transaction->t_tid;

leave:
	if (status < 0) {
		if (*new_fe_bh) {
			brelse(*new_fe_bh);
			*new_fe_bh = NULL;
		}
	}

	if (status)
		mlog_errno(status);
	return status;
}

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mark fasheh
mark fasheh
560
83.46%
6
28.57%
darrick j. wong
darrick j. wong
30
4.47%
1
4.76%
tiger yang
tiger yang
21
3.13%
2
9.52%
joel becker
joel becker
20
2.98%
4
19.05%
deepa dinamani
deepa dinamani
12
1.79%
1
4.76%
sunil mushran
sunil mushran
10
1.49%
1
4.76%
tao ma
tao ma
7
1.04%
2
9.52%
eric w. biederman
eric w. biederman
6
0.89%
1
4.76%
joseph qi
joseph qi
3
0.45%
1
4.76%
rui xiang
rui xiang
1
0.15%
1
4.76%
jan kara
jan kara
1
0.15%
1
4.76%
Total
671
100.00%
21
100.00%



static int ocfs2_mknod_locked(struct ocfs2_super *osb,
			      struct inode *dir,
			      struct inode *inode,
			      dev_t dev,
			      struct buffer_head **new_fe_bh,
			      struct buffer_head *parent_fe_bh,
			      handle_t *handle,
			      struct ocfs2_alloc_context *inode_ac)
{
	int status = 0;
	u64 suballoc_loc, fe_blkno = 0;
	u16 suballoc_bit;

	*new_fe_bh = NULL;

	status = ocfs2_claim_new_inode(handle, dir, parent_fe_bh,
				       inode_ac, &suballoc_loc,
				       &suballoc_bit, &fe_blkno);
	if (status < 0) {
		mlog_errno(status);
		return status;
	}

	status = __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
				    parent_fe_bh, handle, inode_ac,
				    fe_blkno, suballoc_loc, suballoc_bit);
	if (status < 0) {
		u64 bg_blkno = ocfs2_which_suballoc_group(fe_blkno, suballoc_bit);
		int tmp = ocfs2_free_suballoc_bits(handle, inode_ac->ac_inode,
				inode_ac->ac_bh, suballoc_bit, bg_blkno, 1);
		if (tmp)
			mlog_errno(tmp);
	}

	return status;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
mark fasheh
mark fasheh
125
69.83%
1
50.00%
alex chen
alex chen
54
30.17%
1
50.00%
Total
179
100.00%
2
100.00%



static int ocfs2_mkdir(struct inode *dir,
		       struct dentry *dentry,
		       umode_t mode)
{
	int ret;

	trace_ocfs2_mkdir(dir, dentry, dentry->d_name.len, dentry->d_name.name,
			  OCFS2_I(dir)->ip_blkno, mode);
	ret = ocfs2_mknod(dir, dentry, mode | S_IFDIR, 0);
	if (ret)
		mlog_errno(ret);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
mark fasheh
mark fasheh
61
79.22%
1
25.00%
tao ma
tao ma
15
19.48%
2
50.00%
al viro
al viro
1
1.30%
1
25.00%
Total
77
100.00%
4
100.00%



static int ocfs2_create(struct inode *dir,
			struct dentry *dentry,
			umode_t mode,
			bool excl)
{
	int ret;

	trace_ocfs2_create(dir, dentry