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* [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
@ 2023-09-20  0:46 ` Jaegeuk Kim
  0 siblings, 0 replies; 8+ messages in thread
From: Jaegeuk Kim @ 2023-09-20  0:46 UTC (permalink / raw)
  To: linux-kernel, linux-f2fs-devel; +Cc: Jaegeuk Kim, Eric Biggers

This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
more useful for generic usecases.

Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 09716127e107..df7703c1f7d7 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4858,6 +4858,8 @@ static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len,
 		filp->f_mode &= ~FMODE_RANDOM;
 		spin_unlock(&filp->f_lock);
 		return 0;
+	} else if (advice == POSIX_FADV_WILLNEED) {
+		f2fs_precache_extents(inode);
 	}
 
 	err = generic_fadvise(filp, offset, len, advice);
-- 
2.42.0.459.ge4e396fd5e-goog


^ permalink raw reply related	[flat|nested] 8+ messages in thread
* [f2fs-dev] [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
@ 2023-09-20  0:46 ` Jaegeuk Kim
  0 siblings, 0 replies; 8+ messages in thread
From: Jaegeuk Kim @ 2023-09-20  0:46 UTC (permalink / raw)
  To: linux-kernel, linux-f2fs-devel; +Cc: Eric Biggers, Jaegeuk Kim

This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
more useful for generic usecases.

Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 09716127e107..df7703c1f7d7 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4858,6 +4858,8 @@ static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len,
 		filp->f_mode &= ~FMODE_RANDOM;
 		spin_unlock(&filp->f_lock);
 		return 0;
+	} else if (advice == POSIX_FADV_WILLNEED) {
+		f2fs_precache_extents(inode);
 	}
 
 	err = generic_fadvise(filp, offset, len, advice);
-- 
2.42.0.459.ge4e396fd5e-goog



_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

^ permalink raw reply related	[flat|nested] 8+ messages in thread
* Re: [f2fs-dev] [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
  2023-09-20  0:46 ` [f2fs-dev] " Jaegeuk Kim
@ 2023-09-20  8:42   ` Chao Yu
  -1 siblings, 0 replies; 8+ messages in thread
From: Chao Yu @ 2023-09-20  8:42 UTC (permalink / raw)
  To: Jaegeuk Kim, linux-kernel, linux-f2fs-devel; +Cc: Eric Biggers

On 2023/9/20 8:46, Jaegeuk Kim wrote:
> This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
> more useful for generic usecases.
> 
> Suggested-by: Eric Biggers <ebiggers@kernel.org>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: [f2fs-dev] [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
@ 2023-09-20  8:42   ` Chao Yu
  0 siblings, 0 replies; 8+ messages in thread
From: Chao Yu @ 2023-09-20  8:42 UTC (permalink / raw)
  To: Jaegeuk Kim, linux-kernel, linux-f2fs-devel; +Cc: Eric Biggers

On 2023/9/20 8:46, Jaegeuk Kim wrote:
> This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
> more useful for generic usecases.
> 
> Suggested-by: Eric Biggers <ebiggers@kernel.org>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,


_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: [f2fs-dev] [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
  2023-09-20  0:46 ` [f2fs-dev] " Jaegeuk Kim
@ 2023-09-20 15:50   ` patchwork-bot+f2fs
  -1 siblings, 0 replies; 8+ messages in thread
From: patchwork-bot+f2fs @ 2023-09-20 15:50 UTC (permalink / raw)
  To: Jaegeuk Kim; +Cc: linux-kernel, linux-f2fs-devel, ebiggers

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Tue, 19 Sep 2023 17:46:45 -0700 you wrote:
> This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
> more useful for generic usecases.
> 
> Suggested-by: Eric Biggers <ebiggers@kernel.org>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fs/f2fs/file.c | 2 ++
>  1 file changed, 2 insertions(+)

Here is the summary with links:
  - [f2fs-dev] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
    https://git.kernel.org/jaegeuk/f2fs/c/a3edf9f0bbb7

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: [f2fs-dev] [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
@ 2023-09-20 15:50   ` patchwork-bot+f2fs
  0 siblings, 0 replies; 8+ messages in thread
From: patchwork-bot+f2fs @ 2023-09-20 15:50 UTC (permalink / raw)
  To: Jaegeuk Kim; +Cc: ebiggers, linux-kernel, linux-f2fs-devel

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Tue, 19 Sep 2023 17:46:45 -0700 you wrote:
> This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
> more useful for generic usecases.
> 
> Suggested-by: Eric Biggers <ebiggers@kernel.org>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fs/f2fs/file.c | 2 ++
>  1 file changed, 2 insertions(+)

Here is the summary with links:
  - [f2fs-dev] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
    https://git.kernel.org/jaegeuk/f2fs/c/a3edf9f0bbb7

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html




_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: [PATCH v2] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
  2023-09-20  0:46 ` [f2fs-dev] " Jaegeuk Kim
@ 2023-09-26 17:40   ` Jaegeuk Kim
  -1 siblings, 0 replies; 8+ messages in thread
From: Jaegeuk Kim @ 2023-09-26 17:40 UTC (permalink / raw)
  To: linux-kernel, linux-f2fs-devel; +Cc: Eric Biggers

This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
more useful for generic usecases.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

 Change log from v1:
  - load it at offset=0 once to avoid reloading for all the calls

 fs/f2fs/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 09716127e107..161826c6e200 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4858,6 +4858,9 @@ static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len,
 		filp->f_mode &= ~FMODE_RANDOM;
 		spin_unlock(&filp->f_lock);
 		return 0;
+	} else if (advice == POSIX_FADV_WILLNEED && offset == 0) {
+		/* Load extent cache at the first readahead. */
+		f2fs_precache_extents(inode);
 	}
 
 	err = generic_fadvise(filp, offset, len, advice);
-- 
2.42.0.515.g380fc7ccd1-goog

^ permalink raw reply related	[flat|nested] 8+ messages in thread
* Re: [f2fs-dev] [PATCH v2] f2fs: preload extent_cache for POSIX_FADV_WILLNEED
@ 2023-09-26 17:40   ` Jaegeuk Kim
  0 siblings, 0 replies; 8+ messages in thread
From: Jaegeuk Kim @ 2023-09-26 17:40 UTC (permalink / raw)
  To: linux-kernel, linux-f2fs-devel; +Cc: Eric Biggers

This patch tries to preload extent_cache given POSIX_FADV_WILLNEED, which is
more useful for generic usecases.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

 Change log from v1:
  - load it at offset=0 once to avoid reloading for all the calls

 fs/f2fs/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 09716127e107..161826c6e200 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4858,6 +4858,9 @@ static int f2fs_file_fadvise(struct file *filp, loff_t offset, loff_t len,
 		filp->f_mode &= ~FMODE_RANDOM;
 		spin_unlock(&filp->f_lock);
 		return 0;
+	} else if (advice == POSIX_FADV_WILLNEED && offset == 0) {
+		/* Load extent cache at the first readahead. */
+		f2fs_precache_extents(inode);
 	}
 
 	err = generic_fadvise(filp, offset, len, advice);
-- 
2.42.0.515.g380fc7ccd1-goog


_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

^ permalink raw reply related	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2023-09-26 17:41 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-09-20  0:46 [PATCH] f2fs: preload extent_cache for POSIX_FADV_WILLNEED Jaegeuk Kim
2023-09-20  0:46 ` [f2fs-dev] " Jaegeuk Kim
2023-09-20  8:42 ` Chao Yu
2023-09-20  8:42   ` Chao Yu
2023-09-20 15:50 ` patchwork-bot+f2fs
2023-09-20 15:50   ` patchwork-bot+f2fs
2023-09-26 17:40 ` [PATCH v2] " Jaegeuk Kim
2023-09-26 17:40   ` [f2fs-dev] " Jaegeuk Kim

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