diff options
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r-- | fs/gfs2/inode.c | 75 |
1 files changed, 14 insertions, 61 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 3e94400d587c..bb30f9a72c65 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -37,61 +37,9 @@ #include "super.h" #include "glops.h" -struct gfs2_skip_data { - u64 no_addr; - int skipped; - int non_block; -}; - -static int iget_test(struct inode *inode, void *opaque) -{ - struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_skip_data *data = opaque; - - if (ip->i_no_addr == data->no_addr) { - if (data->non_block && - inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE)) { - data->skipped = 1; - return 0; - } - return 1; - } - return 0; -} - -static int iget_set(struct inode *inode, void *opaque) -{ - struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_skip_data *data = opaque; - - if (data->skipped) - return -ENOENT; - inode->i_ino = (unsigned long)(data->no_addr); - ip->i_no_addr = data->no_addr; - return 0; -} - -struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr, int non_block) +struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr) { - unsigned long hash = (unsigned long)no_addr; - struct gfs2_skip_data data; - - data.no_addr = no_addr; - data.skipped = 0; - data.non_block = non_block; - return ilookup5(sb, hash, iget_test, &data); -} - -static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr, - int non_block) -{ - struct gfs2_skip_data data; - unsigned long hash = (unsigned long)no_addr; - - data.no_addr = no_addr; - data.skipped = 0; - data.non_block = non_block; - return iget5_locked(sb, hash, iget_test, iget_set, &data); + return ilookup(sb, (unsigned long)no_addr); } /** @@ -132,21 +80,21 @@ static void gfs2_set_iop(struct inode *inode) * @sb: The super block * @no_addr: The inode number * @type: The type of the inode - * non_block: Can we block on inodes that are being freed? * * Returns: A VFS inode, or an error */ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, - u64 no_addr, u64 no_formal_ino, int non_block) + u64 no_addr, u64 no_formal_ino) { struct inode *inode; struct gfs2_inode *ip; struct gfs2_glock *io_gl = NULL; int error; - inode = gfs2_iget(sb, no_addr, non_block); + inode = iget_locked(sb, (unsigned long)no_addr); ip = GFS2_I(inode); + ip->i_no_addr = no_addr; if (!inode) return ERR_PTR(-ENOMEM); @@ -221,7 +169,7 @@ struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr, if (error) goto fail; - inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0, 1); + inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0); if (IS_ERR(inode)) goto fail; @@ -592,7 +540,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, struct inode *inode = NULL; struct gfs2_inode *dip = GFS2_I(dir), *ip; struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); - struct gfs2_glock *io_gl; + struct gfs2_glock *io_gl = NULL; int error, free_vfs_inode = 1; u32 aflags = 0; unsigned blocks = 1; @@ -729,6 +677,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (error) goto fail_gunlock2; + BUG_ON(test_and_set_bit(GLF_INODE_CREATING, &io_gl->gl_flags)); + error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); if (error) goto fail_gunlock2; @@ -771,12 +721,15 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, } gfs2_glock_dq_uninit(ghs); gfs2_glock_dq_uninit(ghs + 1); + clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags); return error; fail_gunlock3: gfs2_glock_dq_uninit(&ip->i_iopen_gh); gfs2_glock_put(io_gl); fail_gunlock2: + if (io_gl) + clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags); gfs2_glock_dq_uninit(ghs + 1); fail_free_inode: if (ip->i_gl) @@ -2067,7 +2020,7 @@ static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (ret) return ret; - mutex_lock(&inode->i_mutex); + inode_lock(inode); ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh); if (ret) @@ -2094,7 +2047,7 @@ static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, gfs2_glock_dq_uninit(&gh); out: - mutex_unlock(&inode->i_mutex); + inode_unlock(inode); return ret; } |