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staging: lustre: llite: pass struct md_op_data to ll_dir_read

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Add struct md_op_data as a parameter to ll_dir_read.

Signed-off-by: wang di <di.wang@intel.com>
Reviewed-on: http://review.whamcloud.com/7043
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3531
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
wang di
2016-07-21 22:44:01 -04:00
committed by Greg Kroah-Hartman
parent 969d25d401
commit 307bef744f
4 changed files with 31 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/staging/lustre/lustre/llite/dir.c
View File

@@ -489,7 +489,8 @@ static __u16 ll_dirent_type_get(struct lu_dirent *ent)
return type;
}
int ll_dir_read(struct inode *inode, struct dir_context *ctx)
int ll_dir_read(struct inode *inode, struct md_op_data *op_data,
struct dir_context *ctx)
{
struct ll_inode_info *info = ll_i2info(inode);
struct ll_sb_info *sbi = ll_i2sbi(inode);
@@ -613,6 +614,7 @@ static int ll_readdir(struct file *filp, struct dir_context *ctx)
__u64 pos = lfd ? lfd->lfd_pos : 0;
int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
int api32 = ll_need_32bit_api(sbi);
struct md_op_data *op_data;
int rc;
CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) pos/size %lu/%llu 32bit_api %d\n",
@@ -627,8 +629,15 @@ static int ll_readdir(struct file *filp, struct dir_context *ctx)
goto out;
}
op_data = ll_prep_md_op_data(NULL, inode, inode, NULL, 0, 0,
LUSTRE_OPC_ANY, inode);
if (IS_ERR(op_data)) {
rc = PTR_ERR(op_data);
goto out;
}
ctx->pos = pos;
rc = ll_dir_read(inode, ctx);
rc = ll_dir_read(inode, op_data, ctx);
if (lfd)
lfd->lfd_pos = ctx->pos;
if (ctx->pos == MDS_DIR_END_OFF) {
@@ -640,6 +649,7 @@ static int ll_readdir(struct file *filp, struct dir_context *ctx)
if (api32 && hash64)
ctx->pos >>= 32;
}
ll_finish_md_op_data(op_data);
filp->f_version = inode->i_version;
out:

3
drivers/staging/lustre/lustre/llite/llite_internal.h
View File

@@ -653,7 +653,8 @@ extern const struct file_operations ll_dir_operations;
extern const struct inode_operations ll_dir_inode_operations;
struct page *ll_get_dir_page(struct inode *dir, __u64 hash,
struct ll_dir_chain *chain);
int ll_dir_read(struct inode *inode, struct dir_context *ctx);
int ll_dir_read(struct inode *inode, struct md_op_data *op_data,
struct dir_context *ctx);
int ll_get_mdt_idx(struct inode *inode);
/* llite/namei.c */

11
drivers/staging/lustre/lustre/llite/llite_nfs.c
View File

@@ -255,6 +255,7 @@ static int ll_get_name(struct dentry *dentry, char *name,
.lgd_fid = ll_i2info(d_inode(child))->lli_fid,
.ctx.actor = ll_nfs_get_name_filldir,
};
struct md_op_data *op_data;
if (!dir || !S_ISDIR(dir->i_mode)) {
rc = -ENOTDIR;
@@ -266,9 +267,17 @@ static int ll_get_name(struct dentry *dentry, char *name,
goto out;
}
op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0,
LUSTRE_OPC_ANY, dir);
if (IS_ERR(op_data)) {
rc = PTR_ERR(op_data);
goto out;
}
inode_lock(dir);
rc = ll_dir_read(dir, &lgd.ctx);
rc = ll_dir_read(dir, op_data, &lgd.ctx);
inode_unlock(dir);
ll_finish_md_op_data(op_data);
if (!rc && !lgd.lgd_found)
rc = -ENOENT;
out:

7
drivers/staging/lustre/lustre/llite/statahead.c
View File

@@ -1039,6 +1039,7 @@ static int ll_statahead_thread(void *arg)
__u64 pos = 0;
int first = 0;
int rc = 0;
struct md_op_data *op_data;
struct ll_dir_chain chain;
struct l_wait_info lwi = { 0 };
@@ -1046,6 +1047,11 @@ static int ll_statahead_thread(void *arg)
CDEBUG(D_READA, "statahead thread starting: sai %p, parent %pd\n",
sai, parent);
op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0,
LUSTRE_OPC_ANY, dir);
if (IS_ERR(op_data))
return PTR_ERR(op_data);
if (sbi->ll_flags & LL_SBI_AGL_ENABLED)
ll_start_agl(parent, sai);
@@ -1236,6 +1242,7 @@ static int ll_statahead_thread(void *arg)
}
out:
ll_finish_md_op_data(op_data);
if (sai->sai_agl_valid) {
spin_lock(&plli->lli_agl_lock);
thread_set_flags(agl_thread, SVC_STOPPING);