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Diffstat (limited to 'fs/ceph/file.c')
-rw-r--r--fs/ceph/file.c53
1 files changed, 31 insertions, 22 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ed6f19721d6..8c044a4f045 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -230,7 +230,7 @@ struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
/* do the open */
req = prepare_open_request(dir->i_sb, flags, mode);
if (IS_ERR(req))
- return ERR_PTR(PTR_ERR(req));
+ return ERR_CAST(req);
req->r_dentry = dget(dentry);
req->r_num_caps = 2;
if (flags & O_CREAT) {
@@ -265,7 +265,7 @@ int ceph_release(struct inode *inode, struct file *file)
kmem_cache_free(ceph_file_cachep, cf);
/* wake up anyone waiting for caps on this inode */
- wake_up(&ci->i_cap_wq);
+ wake_up_all(&ci->i_cap_wq);
return 0;
}
@@ -317,16 +317,16 @@ void ceph_release_page_vector(struct page **pages, int num_pages)
/*
* allocate a vector new pages
*/
-static struct page **alloc_page_vector(int num_pages)
+static struct page **ceph_alloc_page_vector(int num_pages, gfp_t flags)
{
struct page **pages;
int i;
- pages = kmalloc(sizeof(*pages) * num_pages, GFP_NOFS);
+ pages = kmalloc(sizeof(*pages) * num_pages, flags);
if (!pages)
return ERR_PTR(-ENOMEM);
for (i = 0; i < num_pages; i++) {
- pages[i] = alloc_page(GFP_NOFS);
+ pages[i] = __page_cache_alloc(flags);
if (pages[i] == NULL) {
ceph_release_page_vector(pages, i);
return ERR_PTR(-ENOMEM);
@@ -540,7 +540,7 @@ static ssize_t ceph_sync_read(struct file *file, char __user *data,
* in sequence.
*/
} else {
- pages = alloc_page_vector(num_pages);
+ pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
}
if (IS_ERR(pages))
return PTR_ERR(pages);
@@ -649,8 +649,8 @@ more:
do_sync,
ci->i_truncate_seq, ci->i_truncate_size,
&mtime, false, 2);
- if (IS_ERR(req))
- return PTR_ERR(req);
+ if (!req)
+ return -ENOMEM;
num_pages = calc_pages_for(pos, len);
@@ -665,10 +665,10 @@ more:
* throw out any page cache pages in this range. this
* may block.
*/
- truncate_inode_pages_range(inode->i_mapping, pos,
+ truncate_inode_pages_range(inode->i_mapping, pos,
(pos+len) | (PAGE_CACHE_SIZE-1));
} else {
- pages = alloc_page_vector(num_pages);
+ pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
if (IS_ERR(pages)) {
ret = PTR_ERR(pages);
goto out;
@@ -740,28 +740,32 @@ static ssize_t ceph_aio_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
{
struct file *filp = iocb->ki_filp;
+ struct ceph_file_info *fi = filp->private_data;
loff_t *ppos = &iocb->ki_pos;
size_t len = iov->iov_len;
struct inode *inode = filp->f_dentry->d_inode;
struct ceph_inode_info *ci = ceph_inode(inode);
- void *base = iov->iov_base;
+ void __user *base = iov->iov_base;
ssize_t ret;
- int got = 0;
+ int want, got = 0;
int checkeof = 0, read = 0;
dout("aio_read %p %llx.%llx %llu~%u trying to get caps on %p\n",
inode, ceph_vinop(inode), pos, (unsigned)len, inode);
again:
__ceph_do_pending_vmtruncate(inode);
- ret = ceph_get_caps(ci, CEPH_CAP_FILE_RD, CEPH_CAP_FILE_CACHE,
- &got, -1);
+ if (fi->fmode & CEPH_FILE_MODE_LAZY)
+ want = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO;
+ else
+ want = CEPH_CAP_FILE_CACHE;
+ ret = ceph_get_caps(ci, CEPH_CAP_FILE_RD, want, &got, -1);
if (ret < 0)
goto out;
dout("aio_read %p %llx.%llx %llu~%u got cap refs on %s\n",
inode, ceph_vinop(inode), pos, (unsigned)len,
ceph_cap_string(got));
- if ((got & CEPH_CAP_FILE_CACHE) == 0 ||
+ if ((got & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0 ||
(iocb->ki_filp->f_flags & O_DIRECT) ||
(inode->i_sb->s_flags & MS_SYNCHRONOUS))
/* hmm, this isn't really async... */
@@ -807,11 +811,12 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos)
{
struct file *file = iocb->ki_filp;
+ struct ceph_file_info *fi = file->private_data;
struct inode *inode = file->f_dentry->d_inode;
struct ceph_inode_info *ci = ceph_inode(inode);
- struct ceph_osd_client *osdc = &ceph_client(inode->i_sb)->osdc;
+ struct ceph_osd_client *osdc = &ceph_sb_to_client(inode->i_sb)->osdc;
loff_t endoff = pos + iov->iov_len;
- int got = 0;
+ int want, got = 0;
int ret, err;
if (ceph_snap(inode) != CEPH_NOSNAP)
@@ -824,8 +829,11 @@ retry_snap:
dout("aio_write %p %llx.%llx %llu~%u getting caps. i_size %llu\n",
inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len,
inode->i_size);
- ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, CEPH_CAP_FILE_BUFFER,
- &got, endoff);
+ if (fi->fmode & CEPH_FILE_MODE_LAZY)
+ want = CEPH_CAP_FILE_BUFFER | CEPH_CAP_FILE_LAZYIO;
+ else
+ want = CEPH_CAP_FILE_BUFFER;
+ ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, want, &got, endoff);
if (ret < 0)
goto out;
@@ -833,7 +841,7 @@ retry_snap:
inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len,
ceph_cap_string(got));
- if ((got & CEPH_CAP_FILE_BUFFER) == 0 ||
+ if ((got & (CEPH_CAP_FILE_BUFFER|CEPH_CAP_FILE_LAZYIO)) == 0 ||
(iocb->ki_filp->f_flags & O_DIRECT) ||
(inode->i_sb->s_flags & MS_SYNCHRONOUS)) {
ret = ceph_sync_write(file, iov->iov_base, iov->iov_len,
@@ -844,8 +852,7 @@ retry_snap:
if ((ret >= 0 || ret == -EIOCBQUEUED) &&
((file->f_flags & O_SYNC) || IS_SYNC(file->f_mapping->host)
|| ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_NEARFULL))) {
- err = vfs_fsync_range(file, file->f_path.dentry,
- pos, pos + ret - 1, 1);
+ err = vfs_fsync_range(file, pos, pos + ret - 1, 1);
if (err < 0)
ret = err;
}
@@ -931,6 +938,8 @@ const struct file_operations ceph_file_fops = {
.aio_write = ceph_aio_write,
.mmap = ceph_mmap,
.fsync = ceph_fsync,
+ .lock = ceph_lock,
+ .flock = ceph_flock,
.splice_read = generic_file_splice_read,
.splice_write = generic_file_splice_write,
.unlocked_ioctl = ceph_ioctl,
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-26 19:57:33 +0000