diff options
author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-06-12 10:02:03 -0500 |
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committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-06-12 10:02:03 -0500 |
commit | 82681a318f9f028ea64e61f24bbd9ac535531921 (patch) | |
tree | 529b6a5b4fd040fb54b7672b1a224ebd47445876 /fs/qnx4/fsync.c | |
parent | 3860c97bd60a4525bb62eb90e3e7d2f02662ac59 (diff) | |
parent | 8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff) |
[SCSI] Merge branch 'linus'
Conflicts:
drivers/message/fusion/mptsas.c
fixed up conflict between req->data_len accessors and mptsas driver updates.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'fs/qnx4/fsync.c')
-rw-r--r-- | fs/qnx4/fsync.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/fs/qnx4/fsync.c b/fs/qnx4/fsync.c deleted file mode 100644 index aa3b19544be..00000000000 --- a/fs/qnx4/fsync.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * QNX4 file system, Linux implementation. - * - * Version : 0.1 - * - * Using parts of the xiafs filesystem. - * - * History : - * - * 24-03-1998 by Richard Frowijn : first release. - */ - -#include <linux/errno.h> -#include <linux/time.h> -#include <linux/stat.h> -#include <linux/fcntl.h> -#include <linux/smp_lock.h> -#include <linux/buffer_head.h> - -#include <linux/fs.h> -#include <linux/qnx4_fs.h> - -#include <asm/system.h> - -/* - * The functions for qnx4 fs file synchronization. - */ - -#ifdef CONFIG_QNX4FS_RW - -static int sync_block(struct inode *inode, unsigned short *block, int wait) -{ - struct buffer_head *bh; - unsigned short tmp; - - if (!*block) - return 0; - tmp = *block; - bh = sb_find_get_block(inode->i_sb, *block); - if (!bh) - return 0; - if (*block != tmp) { - brelse(bh); - return 1; - } - if (wait && buffer_req(bh) && !buffer_uptodate(bh)) { - brelse(bh); - return -1; - } - if (wait || !buffer_uptodate(bh) || !buffer_dirty(bh)) { - brelse(bh); - return 0; - } - ll_rw_block(WRITE, 1, &bh); - atomic_dec(&bh->b_count); - return 0; -} - -#ifdef WTF -static int sync_iblock(struct inode *inode, unsigned short *iblock, - struct buffer_head **bh, int wait) -{ - int rc; - unsigned short tmp; - - *bh = NULL; - tmp = *iblock; - if (!tmp) - return 0; - rc = sync_block(inode, iblock, wait); - if (rc) - return rc; - *bh = sb_bread(inode->i_sb, tmp); - if (tmp != *iblock) { - brelse(*bh); - *bh = NULL; - return 1; - } - if (!*bh) - return -1; - return 0; -} -#endif - -static int sync_direct(struct inode *inode, int wait) -{ - int i; - int rc, err = 0; - - for (i = 0; i < 7; i++) { - rc = sync_block(inode, - (unsigned short *) qnx4_raw_inode(inode)->di_first_xtnt.xtnt_blk + i, wait); - if (rc > 0) - break; - if (rc) - err = rc; - } - return err; -} - -#ifdef WTF -static int sync_indirect(struct inode *inode, unsigned short *iblock, int wait) -{ - int i; - struct buffer_head *ind_bh; - int rc, err = 0; - - rc = sync_iblock(inode, iblock, &ind_bh, wait); - if (rc || !ind_bh) - return rc; - - for (i = 0; i < 512; i++) { - rc = sync_block(inode, - ((unsigned short *) ind_bh->b_data) + i, - wait); - if (rc > 0) - break; - if (rc) - err = rc; - } - brelse(ind_bh); - return err; -} - -static int sync_dindirect(struct inode *inode, unsigned short *diblock, - int wait) -{ - int i; - struct buffer_head *dind_bh; - int rc, err = 0; - - rc = sync_iblock(inode, diblock, &dind_bh, wait); - if (rc || !dind_bh) - return rc; - - for (i = 0; i < 512; i++) { - rc = sync_indirect(inode, - ((unsigned short *) dind_bh->b_data) + i, - wait); - if (rc > 0) - break; - if (rc) - err = rc; - } - brelse(dind_bh); - return err; -} -#endif - -int qnx4_sync_file(struct file *file, struct dentry *dentry, int unused) -{ - struct inode *inode = dentry->d_inode; - int wait, err = 0; - - (void) file; - if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || - S_ISLNK(inode->i_mode))) - return -EINVAL; - - lock_kernel(); - for (wait = 0; wait <= 1; wait++) { - err |= sync_direct(inode, wait); - } - err |= qnx4_sync_inode(inode); - unlock_kernel(); - return (err < 0) ? -EIO : 0; -} - -#endif |