ocfs2: retry operations when a lock is marked in recovery

[linux-2.6-omap-h63xx.git] / fs / jfs / jfs_imap.c

diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index 4efa0d0eec39400245420305262ad424e8486103..ccbe60aff83de64edddc27381e020c83240adb1b 100644 (file)
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -66,14 +66,14 @@ static HLIST_HEAD(aggregate_hash);
  * imap locks
  */
 /* iag free list lock */
-#define IAGFREE_LOCK_INIT(imap)                init_MUTEX(&imap->im_freelock)
-#define IAGFREE_LOCK(imap)             down(&imap->im_freelock)
-#define IAGFREE_UNLOCK(imap)           up(&imap->im_freelock)
+#define IAGFREE_LOCK_INIT(imap)                mutex_init(&imap->im_freelock)
+#define IAGFREE_LOCK(imap)             mutex_lock(&imap->im_freelock)
+#define IAGFREE_UNLOCK(imap)           mutex_unlock(&imap->im_freelock)
 
 /* per ag iag list locks */
-#define AG_LOCK_INIT(imap,index)       init_MUTEX(&(imap->im_aglock[index]))
-#define AG_LOCK(imap,agno)             down(&imap->im_aglock[agno])
-#define AG_UNLOCK(imap,agno)           up(&imap->im_aglock[agno])
+#define AG_LOCK_INIT(imap,index)       mutex_init(&(imap->im_aglock[index]))
+#define AG_LOCK(imap,agno)             mutex_lock(&imap->im_aglock[agno])
+#define AG_UNLOCK(imap,agno)           mutex_unlock(&imap->im_aglock[agno])
 
 /*
  * forward references
@@ -1261,7 +1261,7 @@ int diFree(struct inode *ip)
         * to be freed by the transaction;  
         */
        tid = txBegin(ipimap->i_sb, COMMIT_FORCE);
-       down(&JFS_IP(ipimap)->commit_sem);
+       mutex_lock(&JFS_IP(ipimap)->commit_mutex);
 
        /* acquire tlock of the iag page of the freed ixad 
         * to force the page NOHOMEOK (even though no data is
@@ -1294,7 +1294,7 @@ int diFree(struct inode *ip)
        rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
 
        txEnd(tid);
-       up(&JFS_IP(ipimap)->commit_sem);
+       mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
 
        /* unlock the AG inode map information */
        AG_UNLOCK(imap, agno);
@@ -2554,13 +2554,13 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
                 * addressing structure pointing to the new iag page;
                 */
                tid = txBegin(sb, COMMIT_FORCE);
-               down(&JFS_IP(ipimap)->commit_sem);
+               mutex_lock(&JFS_IP(ipimap)->commit_mutex);
 
                /* update the inode map addressing structure to point to it */
                if ((rc =
                     xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) {
                        txEnd(tid);
-                       up(&JFS_IP(ipimap)->commit_sem);
+                       mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
                        /* Free the blocks allocated for the iag since it was
                         * not successfully added to the inode map
                         */
@@ -2626,7 +2626,7 @@ diNewIAG(struct inomap * imap, int *iagnop, int agno, struct metapage ** mpp)
                rc = txCommit(tid, 1, &iplist[0], COMMIT_FORCE);
 
                txEnd(tid);
-               up(&JFS_IP(ipimap)->commit_sem);
+               mutex_unlock(&JFS_IP(ipimap)->commit_mutex);
 
                duplicateIXtree(sb, blkno, xlen, &xaddr);
 
@@ -3074,14 +3074,40 @@ static void duplicateIXtree(struct super_block *sb, s64 blkno,
 static int copy_from_dinode(struct dinode * dip, struct inode *ip)
 {
        struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+       struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
 
        jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
        jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
 
        ip->i_mode = le32_to_cpu(dip->di_mode) & 0xffff;
+       if (sbi->umask != -1) {
+               ip->i_mode = (ip->i_mode & ~0777) | (0777 & ~sbi->umask);
+               /* For directories, add x permission if r is allowed by umask */
+               if (S_ISDIR(ip->i_mode)) {
+                       if (ip->i_mode & 0400)
+                               ip->i_mode |= 0100;
+                       if (ip->i_mode & 0040)
+                               ip->i_mode |= 0010;
+                       if (ip->i_mode & 0004)
+                               ip->i_mode |= 0001;
+               }
+       }
        ip->i_nlink = le32_to_cpu(dip->di_nlink);
-       ip->i_uid = le32_to_cpu(dip->di_uid);
-       ip->i_gid = le32_to_cpu(dip->di_gid);
+
+       jfs_ip->saved_uid = le32_to_cpu(dip->di_uid);
+       if (sbi->uid == -1)
+               ip->i_uid = jfs_ip->saved_uid;
+       else {
+               ip->i_uid = sbi->uid;
+       }
+
+       jfs_ip->saved_gid = le32_to_cpu(dip->di_gid);
+       if (sbi->gid == -1)
+               ip->i_gid = jfs_ip->saved_gid;
+       else {
+               ip->i_gid = sbi->gid;
+       }
+
        ip->i_size = le64_to_cpu(dip->di_size);
        ip->i_atime.tv_sec = le32_to_cpu(dip->di_atime.tv_sec);
        ip->i_atime.tv_nsec = le32_to_cpu(dip->di_atime.tv_nsec);
@@ -3132,21 +3158,33 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip)
 static void copy_to_dinode(struct dinode * dip, struct inode *ip)
 {
        struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+       struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
 
        dip->di_fileset = cpu_to_le32(jfs_ip->fileset);
-       dip->di_inostamp = cpu_to_le32(JFS_SBI(ip->i_sb)->inostamp);
+       dip->di_inostamp = cpu_to_le32(sbi->inostamp);
        dip->di_number = cpu_to_le32(ip->i_ino);
        dip->di_gen = cpu_to_le32(ip->i_generation);
        dip->di_size = cpu_to_le64(ip->i_size);
        dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
        dip->di_nlink = cpu_to_le32(ip->i_nlink);
-       dip->di_uid = cpu_to_le32(ip->i_uid);
-       dip->di_gid = cpu_to_le32(ip->i_gid);
+       if (sbi->uid == -1)
+               dip->di_uid = cpu_to_le32(ip->i_uid);
+       else
+               dip->di_uid = cpu_to_le32(jfs_ip->saved_uid);
+       if (sbi->gid == -1)
+               dip->di_gid = cpu_to_le32(ip->i_gid);
+       else
+               dip->di_gid = cpu_to_le32(jfs_ip->saved_gid);
        /*
         * mode2 is only needed for storing the higher order bits.
         * Trust i_mode for the lower order ones
         */
-       dip->di_mode = cpu_to_le32((jfs_ip->mode2 & 0xffff0000) | ip->i_mode);
+       if (sbi->umask == -1)
+               dip->di_mode = cpu_to_le32((jfs_ip->mode2 & 0xffff0000) |
+                                          ip->i_mode);
+       else /* Leave the original permissions alone */
+               dip->di_mode = cpu_to_le32(jfs_ip->mode2);
+
        dip->di_atime.tv_sec = cpu_to_le32(ip->i_atime.tv_sec);
        dip->di_atime.tv_nsec = cpu_to_le32(ip->i_atime.tv_nsec);
        dip->di_ctime.tv_sec = cpu_to_le32(ip->i_ctime.tv_sec);