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-rw-r--r--fs/ext3/acl.c94
-rw-r--r--fs/ext3/acl.h4
-rw-r--r--fs/ext3/file.c2
-rw-r--r--fs/ext3/fsync.c18
-rw-r--r--fs/ext3/inode.c8
-rw-r--r--fs/ext3/namei.c18
-rw-r--r--fs/ext3/super.c2
7 files changed, 61 insertions, 85 deletions
diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c
index 9d021c0d472a..6c29bf0df04a 100644
--- a/fs/ext3/acl.c
+++ b/fs/ext3/acl.c
@@ -131,7 +131,7 @@ fail:
*
* inode->i_mutex: don't care
*/
-static struct posix_acl *
+struct posix_acl *
ext3_get_acl(struct inode *inode, int type)
{
int name_index;
@@ -239,29 +239,6 @@ ext3_set_acl(handle_t *handle, struct inode *inode, int type,
return error;
}
-int
-ext3_check_acl(struct inode *inode, int mask, unsigned int flags)
-{
- struct posix_acl *acl;
-
- if (flags & IPERM_FLAG_RCU) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
-}
-
/*
* Initialize the ACLs of a new inode. Called from ext3_new_inode.
*
@@ -284,8 +261,7 @@ ext3_init_acl(handle_t *handle, struct inode *inode, struct inode *dir)
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
- struct posix_acl *clone;
- mode_t mode;
+ mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext3_set_acl(handle, inode,
@@ -293,22 +269,15 @@ ext3_init_acl(handle_t *handle, struct inode *inode, struct inode *dir)
if (error)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
-
- mode = inode->i_mode;
- error = posix_acl_create_masq(clone, &mode);
- if (error >= 0) {
- inode->i_mode = mode;
- if (error > 0) {
- /* This is an extended ACL */
- error = ext3_set_acl(handle, inode,
- ACL_TYPE_ACCESS, clone);
- }
+ error = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (error < 0)
+ return error;
+
+ inode->i_mode = mode;
+ if (error > 0) {
+ /* This is an extended ACL */
+ error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);
}
- posix_acl_release(clone);
}
cleanup:
posix_acl_release(acl);
@@ -332,7 +301,9 @@ cleanup:
int
ext3_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
+ handle_t *handle;
+ int retries = 0;
int error;
if (S_ISLNK(inode->i_mode))
@@ -342,31 +313,24 @@ ext3_acl_chmod(struct inode *inode)
acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
- posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error) {
- handle_t *handle;
- int retries = 0;
-
- retry:
- handle = ext3_journal_start(inode,
- EXT3_DATA_TRANS_BLOCKS(inode->i_sb));
- if (IS_ERR(handle)) {
- error = PTR_ERR(handle);
- ext3_std_error(inode->i_sb, error);
- goto out;
- }
- error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, clone);
- ext3_journal_stop(handle);
- if (error == -ENOSPC &&
- ext3_should_retry_alloc(inode->i_sb, &retries))
- goto retry;
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
+retry:
+ handle = ext3_journal_start(inode,
+ EXT3_DATA_TRANS_BLOCKS(inode->i_sb));
+ if (IS_ERR(handle)) {
+ error = PTR_ERR(handle);
+ ext3_std_error(inode->i_sb, error);
+ goto out;
}
+ error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);
+ ext3_journal_stop(handle);
+ if (error == -ENOSPC &&
+ ext3_should_retry_alloc(inode->i_sb, &retries))
+ goto retry;
out:
- posix_acl_release(clone);
+ posix_acl_release(acl);
return error;
}
diff --git a/fs/ext3/acl.h b/fs/ext3/acl.h
index 5faf8048e906..dbc921e458c5 100644
--- a/fs/ext3/acl.h
+++ b/fs/ext3/acl.h
@@ -54,13 +54,13 @@ static inline int ext3_acl_count(size_t size)
#ifdef CONFIG_EXT3_FS_POSIX_ACL
/* acl.c */
-extern int ext3_check_acl (struct inode *, int, unsigned int);
+extern struct posix_acl *ext3_get_acl(struct inode *inode, int type);
extern int ext3_acl_chmod (struct inode *);
extern int ext3_init_acl (handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT3_FS_POSIX_ACL */
#include <linux/sched.h>
-#define ext3_check_acl NULL
+#define ext3_get_acl NULL
static inline int
ext3_acl_chmod(struct inode *inode)
diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 86c8ab343f6f..724df69847dc 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -78,7 +78,7 @@ const struct inode_operations ext3_file_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext3_check_acl,
+ .get_acl = ext3_get_acl,
.fiemap = ext3_fiemap,
};
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index 06a4394d2bc3..d494c554c6e6 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -44,7 +44,7 @@
* inode to disk.
*/
-int ext3_sync_file(struct file *file, int datasync)
+int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
struct inode *inode = file->f_mapping->host;
struct ext3_inode_info *ei = EXT3_I(inode);
@@ -52,13 +52,23 @@ int ext3_sync_file(struct file *file, int datasync)
int ret, needs_barrier = 0;
tid_t commit_tid;
- J_ASSERT(ext3_journal_current_handle() == NULL);
-
trace_ext3_sync_file_enter(file, datasync);
if (inode->i_sb->s_flags & MS_RDONLY)
return 0;
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret)
+ goto out;
+
+ /*
+ * Taking the mutex here just to keep consistent with how fsync was
+ * called previously, however it looks like we don't need to take
+ * i_mutex at all.
+ */
+ mutex_lock(&inode->i_mutex);
+
+ J_ASSERT(ext3_journal_current_handle() == NULL);
/*
* data=writeback,ordered:
@@ -75,6 +85,7 @@ int ext3_sync_file(struct file *file, int datasync)
* safe in-journal, which is all fsync() needs to ensure.
*/
if (ext3_should_journal_data(inode)) {
+ mutex_unlock(&inode->i_mutex);
ret = ext3_force_commit(inode->i_sb);
goto out;
}
@@ -98,6 +109,7 @@ int ext3_sync_file(struct file *file, int datasync)
if (needs_barrier)
blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ mutex_unlock(&inode->i_mutex);
out:
trace_ext3_sync_file_exit(inode, ret);
return ret;
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index f57c87b0cb83..04da6acde85d 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1876,9 +1876,8 @@ static ssize_t ext3_direct_IO(int rw, struct kiocb *iocb,
}
retry:
- ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs,
- ext3_get_block, NULL);
+ ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
+ ext3_get_block);
/*
* In case of error extending write may have instantiated a few
* blocks outside i_size. Trim these off again.
@@ -3276,6 +3275,9 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
ext3_journal_stop(handle);
}
+ if (attr->ia_valid & ATTR_SIZE)
+ inode_dio_wait(inode);
+
if (S_ISREG(inode->i_mode) &&
attr->ia_valid & ATTR_SIZE && attr->ia_size < inode->i_size) {
handle_t *handle;
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 0465368598bd..6e18a0b7750d 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1039,15 +1039,11 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
return ERR_PTR(-EIO);
}
inode = ext3_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
- if (PTR_ERR(inode) == -ESTALE) {
- ext3_error(dir->i_sb, __func__,
- "deleted inode referenced: %lu",
- ino);
- return ERR_PTR(-EIO);
- } else {
- return ERR_CAST(inode);
- }
+ if (inode == ERR_PTR(-ESTALE)) {
+ ext3_error(dir->i_sb, __func__,
+ "deleted inode referenced: %lu",
+ ino);
+ return ERR_PTR(-EIO);
}
}
return d_splice_alias(inode, dentry);
@@ -2536,7 +2532,7 @@ const struct inode_operations ext3_dir_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext3_check_acl,
+ .get_acl = ext3_get_acl,
};
const struct inode_operations ext3_special_inode_operations = {
@@ -2547,5 +2543,5 @@ const struct inode_operations ext3_special_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext3_check_acl,
+ .get_acl = ext3_get_acl,
};
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 662290fb6fff..7beb69ae0015 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1730,6 +1730,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_resuid = le16_to_cpu(es->s_def_resuid);
sbi->s_resgid = le16_to_cpu(es->s_def_resgid);
+ /* enable barriers by default */
+ set_opt(sbi->s_mount_opt, BARRIER);
set_opt(sbi->s_mount_opt, RESERVATION);
if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-25 23:52:34 +0000