From 087387f90f577f5a0ab68d33ef326c9bb6d80dda Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Thu, 14 Sep 2006 09:22:38 -0500 Subject: [PATCH] [PATCH] JFS: return correct error when i-node allocation failed I have seen confusing behavior on JFS when I injected many intentional slab allocation errors. The cp command failed with no disk space error with enough disk space. This patch makes: - change the return value in case slab allocation failures happen from -ENOSPC to -ENOMEM - ialloc() return error code so that the caller can know the reason of failures Signed-off-by: Akinobu Mita Signed-off-by: Dave Kleikamp (cherry picked from 2b46f77976f798f3fe800809a1d0ed38763c71c8 commit) --- fs/jfs/jfs_dtree.c | 4 ++-- fs/jfs/jfs_inode.c | 9 +++++---- fs/jfs/jfs_unicode.c | 2 +- fs/jfs/namei.c | 17 ++++++++--------- fs/jfs/super.c | 2 +- 5 files changed, 17 insertions(+), 17 deletions(-) diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c index 6c3f08319846..a9f2604f28cf 100644 --- a/fs/jfs/jfs_dtree.c +++ b/fs/jfs/jfs_dtree.c @@ -3780,13 +3780,13 @@ static int ciGetLeafPrefixKey(dtpage_t * lp, int li, dtpage_t * rp, lkey.name = (wchar_t *) kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), GFP_KERNEL); if (lkey.name == NULL) - return -ENOSPC; + return -ENOMEM; rkey.name = (wchar_t *) kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), GFP_KERNEL); if (rkey.name == NULL) { kfree(lkey.name); - return -ENOSPC; + return -ENOMEM; } /* get left and right key */ diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index bffaca9ae3a2..dbf0f77c7a4a 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -61,7 +61,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode) inode = new_inode(sb); if (!inode) { jfs_warn("ialloc: new_inode returned NULL!"); - return inode; + return ERR_PTR(-ENOMEM); } jfs_inode = JFS_IP(inode); @@ -69,9 +69,10 @@ struct inode *ialloc(struct inode *parent, umode_t mode) rc = diAlloc(parent, S_ISDIR(mode), inode); if (rc) { jfs_warn("ialloc: diAlloc returned %d!", rc); - make_bad_inode(inode); + if (rc == -EIO) + make_bad_inode(inode); iput(inode); - return NULL; + return ERR_PTR(rc); } inode->i_uid = current->fsuid; @@ -97,7 +98,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode) inode->i_flags |= S_NOQUOTA; inode->i_nlink = 0; iput(inode); - return NULL; + return ERR_PTR(-EDQUOT); } inode->i_mode = mode; diff --git a/fs/jfs/jfs_unicode.c b/fs/jfs/jfs_unicode.c index f327decfb155..0543f7fd4364 100644 --- a/fs/jfs/jfs_unicode.c +++ b/fs/jfs/jfs_unicode.c @@ -124,7 +124,7 @@ int get_UCSname(struct component_name * uniName, struct dentry *dentry) kmalloc((length + 1) * sizeof(wchar_t), GFP_NOFS); if (uniName->name == NULL) - return -ENOSPC; + return -ENOMEM; uniName->namlen = jfs_strtoUCS(uniName->name, dentry->d_name.name, length, nls_tab); diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index b8d16a6aa88f..5d4ef6e4b7e9 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -97,8 +97,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode, * begin the transaction before we search the directory. */ ip = ialloc(dip, mode); - if (ip == NULL) { - rc = -ENOSPC; + if (IS_ERR(ip)) { + rc = PTR_ERR(ip); goto out2; } @@ -231,8 +231,8 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode) * begin the transaction before we search the directory. */ ip = ialloc(dip, S_IFDIR | mode); - if (ip == NULL) { - rc = -ENOSPC; + if (IS_ERR(ip)) { + rc = PTR_ERR(ip); goto out2; } @@ -906,8 +906,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, * (iAlloc() returns new, locked inode) */ ip = ialloc(dip, S_IFLNK | 0777); - if (ip == NULL) { - rc = -ENOSPC; + if (IS_ERR(ip)) { + rc = PTR_ERR(ip); goto out2; } @@ -978,7 +978,6 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, xlen = xsize >> JFS_SBI(sb)->l2bsize; if ((rc = xtInsert(tid, ip, 0, 0, xlen, &xaddr, 0))) { txAbort(tid, 0); - rc = -ENOSPC; goto out3; } extent = xaddr; @@ -1350,8 +1349,8 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, goto out; ip = ialloc(dir, mode); - if (ip == NULL) { - rc = -ENOSPC; + if (IS_ERR(ip)) { + rc = PTR_ERR(ip); goto out1; } jfs_ip = JFS_IP(ip); diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 143bcd1d5eaa..fc6951587c6b 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -422,7 +422,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL); if (!sbi) - return -ENOSPC; + return -ENOMEM; sb->s_fs_info = sbi; sbi->sb = sb; sbi->uid = sbi->gid = sbi->umask = -1; -- 2.30.2