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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/jfs/file.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/jfs/file.c')
-rw-r--r--ANDROID_3.4.5/fs/jfs/file.c163
1 files changed, 0 insertions, 163 deletions
diff --git a/ANDROID_3.4.5/fs/jfs/file.c b/ANDROID_3.4.5/fs/jfs/file.c
deleted file mode 100644
index 844f9460..00000000
--- a/ANDROID_3.4.5/fs/jfs/file.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) International Business Machines Corp., 2000-2002
- * Portions Copyright (C) Christoph Hellwig, 2001-2002
- *
- * 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 02111-1307 USA
- */
-
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/quotaops.h>
-#include "jfs_incore.h"
-#include "jfs_inode.h"
-#include "jfs_dmap.h"
-#include "jfs_txnmgr.h"
-#include "jfs_xattr.h"
-#include "jfs_acl.h"
-#include "jfs_debug.h"
-
-int jfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
-{
- struct inode *inode = file->f_mapping->host;
- int rc = 0;
-
- rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
- if (rc)
- return rc;
-
- mutex_lock(&inode->i_mutex);
- if (!(inode->i_state & I_DIRTY) ||
- (datasync && !(inode->i_state & I_DIRTY_DATASYNC))) {
- /* Make sure committed changes hit the disk */
- jfs_flush_journal(JFS_SBI(inode->i_sb)->log, 1);
- mutex_unlock(&inode->i_mutex);
- return rc;
- }
-
- rc |= jfs_commit_inode(inode, 1);
- mutex_unlock(&inode->i_mutex);
-
- return rc ? -EIO : 0;
-}
-
-static int jfs_open(struct inode *inode, struct file *file)
-{
- int rc;
-
- if ((rc = dquot_file_open(inode, file)))
- return rc;
-
- /*
- * We attempt to allow only one "active" file open per aggregate
- * group. Otherwise, appending to files in parallel can cause
- * fragmentation within the files.
- *
- * If the file is empty, it was probably just created and going
- * to be written to. If it has a size, we'll hold off until the
- * file is actually grown.
- */
- if (S_ISREG(inode->i_mode) && file->f_mode & FMODE_WRITE &&
- (inode->i_size == 0)) {
- struct jfs_inode_info *ji = JFS_IP(inode);
- spin_lock_irq(&ji->ag_lock);
- if (ji->active_ag == -1) {
- struct jfs_sb_info *jfs_sb = JFS_SBI(inode->i_sb);
- ji->active_ag = BLKTOAG(addressPXD(&ji->ixpxd), jfs_sb);
- atomic_inc( &jfs_sb->bmap->db_active[ji->active_ag]);
- }
- spin_unlock_irq(&ji->ag_lock);
- }
-
- return 0;
-}
-static int jfs_release(struct inode *inode, struct file *file)
-{
- struct jfs_inode_info *ji = JFS_IP(inode);
-
- spin_lock_irq(&ji->ag_lock);
- if (ji->active_ag != -1) {
- struct bmap *bmap = JFS_SBI(inode->i_sb)->bmap;
- atomic_dec(&bmap->db_active[ji->active_ag]);
- ji->active_ag = -1;
- }
- spin_unlock_irq(&ji->ag_lock);
-
- return 0;
-}
-
-int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
-{
- struct inode *inode = dentry->d_inode;
- int rc;
-
- rc = inode_change_ok(inode, iattr);
- if (rc)
- return rc;
-
- if (is_quota_modification(inode, iattr))
- dquot_initialize(inode);
- if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
- rc = dquot_transfer(inode, iattr);
- if (rc)
- return rc;
- }
-
- if ((iattr->ia_valid & ATTR_SIZE) &&
- iattr->ia_size != i_size_read(inode)) {
- inode_dio_wait(inode);
-
- rc = vmtruncate(inode, iattr->ia_size);
- if (rc)
- return rc;
- }
-
- setattr_copy(inode, iattr);
- mark_inode_dirty(inode);
-
- if (iattr->ia_valid & ATTR_MODE)
- rc = jfs_acl_chmod(inode);
- return rc;
-}
-
-const struct inode_operations jfs_file_inode_operations = {
- .truncate = jfs_truncate,
- .setxattr = jfs_setxattr,
- .getxattr = jfs_getxattr,
- .listxattr = jfs_listxattr,
- .removexattr = jfs_removexattr,
- .setattr = jfs_setattr,
-#ifdef CONFIG_JFS_POSIX_ACL
- .get_acl = jfs_get_acl,
-#endif
-};
-
-const struct file_operations jfs_file_operations = {
- .open = jfs_open,
- .llseek = generic_file_llseek,
- .write = do_sync_write,
- .read = do_sync_read,
- .aio_read = generic_file_aio_read,
- .aio_write = generic_file_aio_write,
- .mmap = generic_file_mmap,
- .splice_read = generic_file_splice_read,
- .splice_write = generic_file_splice_write,
- .fsync = jfs_fsync,
- .release = jfs_release,
- .unlocked_ioctl = jfs_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = jfs_compat_ioctl,
-#endif
-};