namei.c (ef6078930263bfcdcfe4dddb2cd85254b4cf4f5c) namei.c (0562e0bad483d10e9651fbb8f21dc3d0bad57374)
1/*
2 * linux/fs/ext4/namei.c
3 *
4 * Copyright (C) 1992, 1993, 1994, 1995
5 * Remy Card (card@masi.ibp.fr)
6 * Laboratoire MASI - Institut Blaise Pascal
7 * Universite Pierre et Marie Curie (Paris VI)
8 *

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35#include <linux/buffer_head.h>
36#include <linux/bio.h>
37#include "ext4.h"
38#include "ext4_jbd2.h"
39
40#include "xattr.h"
41#include "acl.h"
42
1/*
2 * linux/fs/ext4/namei.c
3 *
4 * Copyright (C) 1992, 1993, 1994, 1995
5 * Remy Card (card@masi.ibp.fr)
6 * Laboratoire MASI - Institut Blaise Pascal
7 * Universite Pierre et Marie Curie (Paris VI)
8 *

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35#include <linux/buffer_head.h>
36#include <linux/bio.h>
37#include "ext4.h"
38#include "ext4_jbd2.h"
39
40#include "xattr.h"
41#include "acl.h"
42
43#include <trace/events/ext4.h>
43/*
44 * define how far ahead to read directories while searching them.
45 */
46#define NAMEI_RA_CHUNKS 2
47#define NAMEI_RA_BLOCKS 4
48#define NAMEI_RA_SIZE (NAMEI_RA_CHUNKS * NAMEI_RA_BLOCKS)
49#define NAMEI_RA_INDEX(c,b) (((c) * NAMEI_RA_BLOCKS) + (b))
50

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2178static int ext4_unlink(struct inode *dir, struct dentry *dentry)
2179{
2180 int retval;
2181 struct inode *inode;
2182 struct buffer_head *bh;
2183 struct ext4_dir_entry_2 *de;
2184 handle_t *handle;
2185
44/*
45 * define how far ahead to read directories while searching them.
46 */
47#define NAMEI_RA_CHUNKS 2
48#define NAMEI_RA_BLOCKS 4
49#define NAMEI_RA_SIZE (NAMEI_RA_CHUNKS * NAMEI_RA_BLOCKS)
50#define NAMEI_RA_INDEX(c,b) (((c) * NAMEI_RA_BLOCKS) + (b))
51

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2179static int ext4_unlink(struct inode *dir, struct dentry *dentry)
2180{
2181 int retval;
2182 struct inode *inode;
2183 struct buffer_head *bh;
2184 struct ext4_dir_entry_2 *de;
2185 handle_t *handle;
2186
2187 trace_ext4_unlink_enter(dir, dentry);
2186 /* Initialize quotas before so that eventual writes go
2187 * in separate transaction */
2188 dquot_initialize(dir);
2189 dquot_initialize(dentry->d_inode);
2190
2191 handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb));
2192 if (IS_ERR(handle))
2193 return PTR_ERR(handle);

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2223 ext4_orphan_add(handle, inode);
2224 inode->i_ctime = ext4_current_time(inode);
2225 ext4_mark_inode_dirty(handle, inode);
2226 retval = 0;
2227
2228end_unlink:
2229 ext4_journal_stop(handle);
2230 brelse(bh);
2188 /* Initialize quotas before so that eventual writes go
2189 * in separate transaction */
2190 dquot_initialize(dir);
2191 dquot_initialize(dentry->d_inode);
2192
2193 handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb));
2194 if (IS_ERR(handle))
2195 return PTR_ERR(handle);

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2225 ext4_orphan_add(handle, inode);
2226 inode->i_ctime = ext4_current_time(inode);
2227 ext4_mark_inode_dirty(handle, inode);
2228 retval = 0;
2229
2230end_unlink:
2231 ext4_journal_stop(handle);
2232 brelse(bh);
2233 trace_ext4_unlink_exit(dentry, retval);
2231 return retval;
2232}
2233
2234static int ext4_symlink(struct inode *dir,
2235 struct dentry *dentry, const char *symname)
2236{
2237 handle_t *handle;
2238 struct inode *inode;

--- 320 unchanged lines hidden --- 		2234 return retval;
2235}
2236
2237static int ext4_symlink(struct inode *dir,
2238 struct dentry *dentry, const char *symname)
2239{
2240 handle_t *handle;
2241 struct inode *inode;

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